閱讀短文，根據(jù)短文內(nèi)容及首字母提示，在空白處填入一個(gè)適當(dāng)?shù)膯卧~。
Do you like animals? Do you want to keep animals? Yes, many people like animals and want to keep a lovely animal as a （71） p_____. It's a pity that they don't have a suitable place to keep them. However, keeping fish may be the best choice.
Why keep them?
People keep dogs and cats because they enjoy their friendship. Fish can not be friendly, but they have beautiful shapes and colors. It's a pleasure to watch as they swim （72）i_____ their tank（水槽）.
What do they need?
First of all, the fish need a suitable （合適的） tank, and you must fill the tank （73） w_____ suitable water. It is also good for （74） t_____ to have a few water plants in the tank to keep the water pure （純凈）. Putting a few snails （蝸牛） in the tank is a good （75） i_____. They will keep it （76） c_____
What about feeding them?
There are many kinds of fish food （77） t_____ you can get in the shops. Most are suitable for all kinds of fish. You should feed your fish only （78） o_____ a day. It is important not to give them （79） t_____ much food. Just give them as much as they can （80） e_____ up in about 15 minutes. This will keep them healthy.

閱讀短文，根據(jù)短文內(nèi)容及首字母提示，在空白處填入一個(gè)適當(dāng)?shù)膯卧~。

Do you like animals? Do you want to keep animals? Yes, many people like animals and want to keep a lovely animal as a p_____ . It's a pity that they don't have a suitable place to keep them. However, keeping fish may be the best choice.

Why keep them?

People keep dogs and cats because they enjoy their friendship. Fish can not be friendly, but they have beautiful shapes and colors. It's a pleasure to watch as they swim i_____   their tank（水槽）。

What do they need?

First of all, the fish need a suitable （合適的） tank, and you must fill the tank w_____  suitable water. It is also good for t_____  to have a few water plants in the tank to keep the water pure （純凈）。 Putting a few snails （蝸牛） in the tank is a good i_____  . They will keep it c_____  

What about feeding them?

There are many kinds of fish food t_____   you can get in the shops. Most are suitable for all kinds of fish. You should feed your fish only o_____   a day. It is important not to give them  t_____   much food. Just give them as much as they can e_____   up in about 15 minutes. This will keep them healthy.

 

閱讀短文，根據(jù)短文內(nèi)容及首字母提示，在空白處填入一個(gè)適當(dāng)?shù)膯卧~。

Do you like animals? Do you want to keep animals? Yes, many people like animals and want to keep a lovely animal as a （71） p_____. It's a pity that they don't have a suitable place to keep them. However, keeping fish may be the best choice.

Why keep them?

People keep dogs and cats because they enjoy their friendship. Fish can not be friendly, but they have beautiful shapes and colors. It's a pleasure to watch as they swim （72）i_____ their tank（水槽）.

What do they need?

First of all, the fish need a suitable （合適的） tank, and you must fill the tank （73） w_____ suitable water. It is also good for （74） t_____ to have a few water plants in the tank to keep the water pure （純凈）. Putting a few snails （蝸牛） in the tank is a good （75） i_____. They will keep it （76） c_____

What about feeding them?

There are many kinds of fish food （77） t_____ you can get in the shops. Most are suitable for all kinds of fish. You should feed your fish only （78） o_____ a day. It is important not to give them （79） t_____ much food. Just give them as much as they can （80） e_____ up in about 15 minutes. This will keep them healthy.

 

An old man was fishing on the bank of a river. A child came to see him fishing. The old man was really good at fishing and it didn't take long for him to catch a full basket of fish. The old man saw that the child was very cute, and he wanted to give her a whole basket of fish. But the child shook her head. The old man was surprised and asked, "Why don't you want the fish? '
The child replied," I want the fishing rod(竿)in your hands. "
The old man asked," Why do you want the rod?"
"It doesn't take long to eat all the fish in a basket. But if I have the fishing rod, I can go fishing by myself and I won't be afraid of not having any more fish to eat.
I think you will certainly say that the child is very smart. Wrong! If she doesn't know how to fish, she cannot have fish to eat, even though she has the fishing rod. It's useless to only have a fishing rod. Fishing skills are the most important, not the fishing rod.
Too many people think that if they have a "fishing rod" in their life, they will no longer fear the wind and rain. They are just like the child, who thought that if she had a fishing rod, she would have fish to eat.
【小題1】The old man was fishing on the bank of________.
A. a river    B. a lake     C. a pool
【小題2】 Why did the child refuse the fish the old man gave her?
A. Because she didn't like fish.
B. Because she wanted his fishing rod.
C. Because the old man had few fish.
【小題3】The writer thought the child was_____ after she explained why she didn't want the fish.
A. smart        B. hardworking        C. silly
【小題4】The article mainly tells us______.
A. if you have a "fishing rod" in your life, you won't be afraid of anything
B. if you have a fishing rod, you'll have a lot of fish to eat
C. "fishing skills" are more important than "the fishing rod" in life
【小題5】 What is the best tide(標(biāo)題)for the article?
A. The Fishing Rod  B. The Fishing Man  C. The Fishing Girl

How much should you save? You may be able to save 100% of your money. Does that mean you should? Not at all. The best way to develop good saving habits is to make saving a regular part of your life, along with spending.

Here is the rule you should remember: save before spending. Whenever some money gets into your hands, from a job or your pocket money or whatever, take your savings out immediately, before spending any of the money. The beauty of this system is that if you take away your savings, you are free to spend the rest.

Here are some more suggestions on how to successfully get into the saving habit from teens. Let’s see!

Tony,13: I put my money in a bank instead of my wallet, so the money is not there. And I have to take an extra step to get it.

Bill,14: When considering a major purchase(購買), wait a week or so, at least. This will help you make sure if you still want it, and the price might go down.

Dick, 13: Carry very little money always. You can’t spend money if you don’t have it. A cake would be nice, but without a dollar, you can’t get it. Little things like that really add up quickly.

Steve,16: I used to be weak when it came to money. I bought something whenever I went into a store. I’m glad I’m not that person now. I taught myself discipline by keeping a $20 bill in my pocket while waking around the mall all day and not buying anything. Now I have no strong wish to buy things when I go into a store. It works for me.

These ideas should help you get started. If you have some questions about anything you’ve read here, or would like to share your ideas about saving money, please write to us.

1.How does Tony advise you about saving money?

A．By keeping money in a bank.

B．By putting money in a wallet.

C．By making it easy to get your money.

D．By buying little things.

2.According to Billy, if you want to buy something expensive, you’d better_________.

A．wait at least a month

B．make sure it’s necessary

C．wait until it’s for sale

D．a(chǎn)sk somebody for help

3.According to the passage, Steve is the person who _______.

A．didn’t carry any money

B．can’t wait to spend his money now

C．didn’t use to buy anything in a store

D．doesn’t spend money quickly and carelessly now

4.Where is the passage most probably from?

A．A dictionary       B．The instructions     C．A newspaper       D．An advertisement.

5.The writer wrote the passage in order to ask teens to_______.

A．make major purchases

B．save 100% of their money

C．spend all their savings regularly

D．save money regularly as well as spending

 

An old man was fishing on the bank of a river. A child came to see him fishing. The old man was really good at fishing and it didn't take long for him to catch a full basket of fish. The old man saw that the child was very cute, and he wanted to give her a whole basket of fish. But the child shook her head. The old man was surprised and asked, "Why don't you want the fish? '
The child replied," I want the fishing rod(竿)in your hands. "
The old man asked," Why do you want the rod?"
"It doesn't take long to eat all the fish in a basket. But if I have the fishing rod, I can go fishing by myself and I won't be afraid of not having any more fish to eat.
I think you will certainly say that the child is very smart. Wrong! If she doesn't know how to fish, she cannot have fish to eat, even though she has the fishing rod. It's useless to only have a fishing rod. Fishing skills are the most important, not the fishing rod.
Too many people think that if they have a "fishing rod" in their life, they will no longer fear the wind and rain. They are just like the child, who thought that if she had a fishing rod, she would have fish to eat.
【小題1】The old man was fishing on the bank of________.
A. a river    B. a lake     C. a pool
【小題2】 Why did the child refuse the fish the old man gave her?
A. Because she didn't like fish.
B. Because she wanted his fishing rod.
C. Because the old man had few fish.
【小題3】The writer thought the child was_____ after she explained why she didn't want the fish.
A. smart        B. hardworking        C. silly
【小題4】The article mainly tells us______.
A. if you have a "fishing rod" in your life, you won't be afraid of anything
B. if you have a fishing rod, you'll have a lot of fish to eat
C. "fishing skills" are more important than "the fishing rod" in life
【小題5】 What is the best tide(標(biāo)題)for the article?
A. The Fishing Rod  B. The Fishing Man  C. The Fishing Girl

閱讀短文，根據(jù)短文內(nèi)容及首字母提示，在空白處填入一個(gè)適當(dāng)?shù)膯卧~。

Do you like animals? Do you want to keep animals? Yes, many people like animals and want to keep a lovely animal as a （71） p_____. It's a pity that they don't have a suitable place to keep them. However, keeping fish may be the best choice.

Why keep them?

People keep dogs and cats because they enjoy their friendship. Fish can not be friendly, but they have beautiful shapes and colors. It's a pleasure to watch as they swim （72）i_____ their tank（水槽）.

What do they need?

First of all, the fish need a suitable （合適的） tank, and you must fill the tank （73） w_____ suitable water. It is also good for （74） t_____ to have a few water plants in the tank to keep the water pure （純凈）. Putting a few snails （蝸牛） in the tank is a good （75） i_____. They will keep it （76） c_____

What about feeding them?

There are many kinds of fish food （77） t_____ you can get in the shops. Most are suitable for all kinds of fish. You should feed your fish only （78） o_____ a day. It is important not to give them （79） t_____ much food. Just give them as much as they can （80） e_____ up in about 15 minutes. This will keep them healthy.

 

Ladies and gentlemen, I returned to this year in a time machine. In the year 2500, we are able to travel through time to any year in the history of the earth. This year is your last chance your lifestyle to save the earth.

  Beginning in the middle of the 20^th century, a few people were worried about polluting the earth’s water and air, but most people did not change their way of life. Instead, they continued to pour(倒) dangerous chemical(化學(xué)物品) and other waste into lakes and seas, to drive more and more cars and trucks, and to cut down trees.

  By the year 2200, the earth’s water was completely polluted. People could no longer drink water, and they had to use other types of liquids(液體). Scientists said that in the future there might be too many people on the earth. But not enough was done.

  So by the year 2300, there were so many people that food became scarce. There was no water to grow food and all of the fish in lakes and seas died because of pollution. Terrible wars broke out between the rich and the poor. Scientists were working very hard to find another planet in space where humans could live.

  By the year 2400, the air was too polluted for humans to breathe. So we had to leave the earth. But only the rich were able to leave. Where did we go? Nowhere. And everywhere. You see scientists did not find another safe planet, so now we must travel around the universe in our space ships. We are still looking for a place to call our home.

  So it is up to you to change history. There is still hope. You must change your lifestyle now, before it is too late.

1.Which problem is NOT talked about in Paragraph 2?

A. Water        B. Air        C. Lifestyle     D. Food

2. The underlined word ‘scarce’ means ‘______’ in Chinese.

A. 昂貴的       B. 充足的       C. 缺乏的       D. 特殊的

3.Which of the following is NOT true?

A. Only a few people changed their lifestyle in the 20^th century.

B. There was no clean water for people to drink by the year 2200.

C. All the fish died because of the pollution by the year 2300.

D. We found a new home in another planet by the year 2400.

4.What’s the best title of the passage?

A. Stop polluting                       B. Change or leave   

C. Look for new home                   D. Return to the earth

 

閱讀短文，根據(jù)短文內(nèi)容及首字母提示，在空白處填入一個(gè)適當(dāng)?shù)膯卧~。
Do you like animals? Do you want to keep animals? Yes, many people like animals and want to keep a lovely animal as a p_____ . It's a pity that they don't have a suitable place to keep them. However, keeping fish may be the best choice.
Why keep them?
People keep dogs and cats because they enjoy their friendship. Fish can not be friendly, but they have beautiful shapes and colors. It's a pleasure to watch as they swim i_____   their tank（水槽）。
What do they need?
First of all, the fish need a suitable （合適的） tank, and you must fill the tank w_____  suitable water. It is also good for t_____  to have a few water plants in the tank to keep the water pure （純凈）。 Putting a few snails （蝸牛） in the tank is a good i_____  . They will keep it c_____  
What about feeding them?
There are many kinds of fish food t_____   you can get in the shops. Most are suitable for all kinds of fish. You should feed your fish only o_____   a day. It is important not to give them  t_____   much food. Just give them as much as they can e_____   up in about 15 minutes. This will keep them healthy.

閱讀短文， 在空白處填上一個(gè)適當(dāng)?shù)脑~，使短文在意義上和結(jié)構(gòu)上完整，將答案寫在答題紙上。（共5分）

One day, Kidom and his friend Dick went to the river fishing. Kidom took his dog Vick with him. But now and then, when the dog saw a small animal or a bird, he would run1 it and try to catch it. Dick hated the dog very much because the dog frightened the fish away. "Why do you2your dog here?" said Dick to Kidom. "he3here and there. All the fish are frightened and swim4 ." "You are right." answered Kidom. "Next time, I shall come without Vick. Shall we go home now, Dick?" Just then Dick shouted, "Wait. A5is biting (咬)my line. I can feel it." Dick was very glad. He forgot the danger. He went to pull the line. The boy fell down into the water. "Help! Help! I can't swiim." Dick shouted, up and down in the water .

But Kidom could not swim, either. Just then Vick came up. The dog jumped into the water and pulled Dick onto the dry land by biting 's shirt with his teeth. Dick was saved. He was still holding the line in his hand. On its end was a big fish.

1.__________

2.__________

3.__________

4._________

5.___________

 

How much should you save? You may be able to save 100% of your money. Does that mean you should? Not at all. The best way to develop good saving habits is to make saving a regular part of your life, along with spending.
Here is the rule you should remember: save before spending. Whenever some money gets into your hands, from a job or your pocket money or whatever, take your savings out immediately, before spending any of the money. The beauty of this system is that if you take away your savings, you are free to spend the rest.
Here are some more suggestions on how to successfully get into the saving habit from teens. Let’s see!
Tony,13: I put my money in a bank instead of my wallet, so the money is not there. And I have to take an extra step to get it.
Bill,14: When considering a major purchase(購買), wait a week or so, at least. This will help you make sure if you still want it, and the price might go down.
Dick, 13: Carry very little money always. You can’t spend money if you don’t have it. A cake would be nice, but without a dollar, you can’t get it. Little things like that really add up quickly.
Steve,16: I used to be weak when it came to money. I bought something whenever I went into a store. I’m glad I’m not that person now. I taught myself discipline by keeping a $20 bill in my pocket while waking around the mall all day and not buying anything. Now I have no strong wish to buy things when I go into a store. It works for me.
These ideas should help you get started. If you have some questions about anything you’ve read here, or would like to share your ideas about saving money, please write to us.
【小題1】How does Tony advise you about saving money?

A．By keeping money in a bank.

B．By putting money in a wallet.

C．By making it easy to get your money.

D．By buying little things.

【小題2】According to Billy, if you want to buy something expensive, you’d better_________.

A．wait at least a month

B．make sure it’s necessary

C．wait until it’s for sale

D．a(chǎn)sk somebody for help

【小題3】According to the passage, Steve is the person who _______.

A．didn’t carry any money

B．can’t wait to spend his money now

C．didn’t use to buy anything in a store

D．doesn’t spend money quickly and carelessly now

【小題4】Where is the passage most probably from?

A．A dictionary

B．The instructions

C．A newspaper

D．An advertisement.

【小題5】The writer wrote the passage in order to ask teens to_______.

A．make major purchases

B．save 100% of their money

C．spend all their savings regularly

D．save money regularly as well as spending

　　－Aren't you going home now?

　?。璑o. I ________ back until I ________ all the fish.

[　　]

完形填空.

閱讀下面短文，掌握其大意，然后選出最佳答案，完成短文.

　　One day, Jack and his friend Dick went to the river fishing. Jack took his dog Vick with him. But now and then, when the dog saw a small animal or a bird, he would run（1）________ it and try to catch it. Dick hated the dog very much because the dog frightened (驚嚇) the fish away." Why do you（2）________ your dog here?" said Dick to Jack."He（3）________ here and there. All the fish are frightened and swim（4）________."

　　"You are right," answered Jack. "Next time, I shall come without Vick.（5）________ we go home now, Dick?" Just then Dick shouted, "Wait.（6）________ is biting(咬) my line. I can feel it. "Dick was very glad． He forgot the danger. He went（7）________ the line. The boy fell down in the water. "Help! Help! I can't swim. "Dick shouted, up and down in the（8） ________.

　　 But Jack could not swim（9）________. Just then Vick came up. The dog jumped into the water and pulled Dick onto the dry land by biting Dick's shirt with his（10）________. Dick was saved． He was still holding the line in his hand． On its end was a big fish.

（1）

[　　]

A．a(chǎn)fter

B．to

C．a(chǎn)t

D．with

（2）

[　　]

A．take

B．carry

C．bring

D．want

（3）

[　　]

A．ran

B．runs

C．has run

D．is running

（4）

[　　]

A．here

B．a(chǎn)way

C．there

D．home

（5）

[　　]

A．Must

B．Will

C．May

D．Shall

（6）

[　　]

A．A fish

B．A bird

C． A dog

D．A cat

（7）

[　　]

A．pulled

B．pulls

C． to pull

D．is pulling

（8）

[　　]

A．river

B．boat

C． land

D．line

（9）

[　　]

A．too

B．either

C． also

D．neither

（10）

[　　]

A．tooth

B．teeth

C．foot

D．feet

閱讀理解 　　An old man was fishing on the bank of a river．A child came to see him fishing．The old man was really good at fishing and it didn't take long for him to catch a full basket of fish．The old man saw that the child was very cute, and he wanted to give her a whole basket of fish．But the child shook her head．The old man was surprised and asked, "Why don't you want the fish? 　　The child replied," I want the fishing rod(竿)in your hands．" 　　The old man asked," Why do you want the rod?" 　　"It doesn't take long to eat all the fish in a basket．But if I have the fishing rod, I can go fishing by myself and I won't be afraid of not having any more fish to eat． 　　I think you will certainly say that the child is very smart．Wrong! If she doesn't know how to fish, she cannot have fish to eat, even though she has the fishing rod．It's useless to only have a fishing rod．Fishing skills are the most important, not the fishing rod． 　　Too many people think that if they have a "fishing rod" in their life, they will no longer fear the wind and rain．They are just like the child, who thought that if she had a fishing rod, she would have fish to eat． (1) The old man was fishing on the bank of _________． [　　] A． a river B． a lake C． a pool (2) Why did the child refuse the fish the old man gave her? [　　] A． Because she didn't like fish． B． Because she wanted his fishing rod． C． Because the old man had few fish． (3) The writer thought the child was _________ after she explained why she didn't want the fish． [　　] A． smart B． hardworking C． silly (4) The article mainly tells us _________． [　　] A． if you have a "fishing rod" in your life, you won't be afraid of anything B． if you have a fishing rod, you'll have a lot of fish to eat C． "fishing skills" are more important than "the fishing rod" in life (5) What is the best tide(標(biāo)題)for the article? [　　] A． The Fishing Rod B． The Fishing Man C． The Fishing Girl

閱讀理解 　　One day Jack and David went fishing(釣魚)．Jack took Tony with him．On the river bank(岸), when the dog saw a bird, he wanted to run after it and tried(試圖)to catch it．“All the fish are frightened(驚嚇)and swim away,”said David．“Be quiet(安靜), Tony,”Jack shouted(喊)at him．But Tony did not listen to him．“Are we going home now, David?”said Jack．“Next time I shall not bring him here again．” 　　“Wait,”said David．“A fish is biting(咬)my line．”“Look out(當(dāng)心)!”shouted Jack．But it was too late．The boy fell into the water．“Help!Help!”David shouted．But Jack couldn't swim, either(也)．Just(恰好)then, Tony came out．He jumped into the water and pulled the boy onto the bank and saved his life(救了他的命)． (1) Tony was the name of ________． [　　] A． a fish B． Jack's brother C． a dog D． a boy (2) Neither Jack nor David wanted to frighten ________． [　　] A． the fish B． Tony C． the dog D． the birds (3) Jack said that ________． [　　] A． he wouldn't take Tony with him the next time B． he wouldn't go fishing with David C． he wouldn't let Tony run about D． he wouldn't go fishing any longer (4) Who fell into the river and got wet? [　　] A． Jack． B． David． C． Tony． D． Nobody． (5) From the story we know ________． [　　] A． a dog is a useful(有用的)animal to us B． we should bring a dog when we go fishing C． a dog can help us catch fish D． a dog can save a boy's life in the river

　　One day John and Bill were fishing. John took his ___(1)___ Black with him on the riverbank. When the dog saw a bird, he would run ___(2)___ it and try to ___(3)___ it. “All the fish are afraid and ___(4)___ away,”said Bill.“Be quiet, Black.”John shouted at the dog, ___(5)___ Black did not listen to him.“Shall we go now, Bill?”asked John,“Next time I shall not bring him here ___(6)___.”

　　“Wait,”said Bill.“A fish is biting my line.”“Be careful, Bill!”shouted John. But it was too ___(7)___. The boy fell into the water.“Help! Help!”Bill shouted. But John couldn't swim, either. ___(8)___ Black came out. He jumped into the water and ___(9)___ the boy onto the bank and ___(10)___ his life.

(1)A．fish	B．dog	C．cat	D．friend
(2)A．into	B．onto	C．away	D．after
(3)A．smell	B．play	C．catch	D．shout
(4)A．walk	B．swim	C．fly	D．run
(5)A．and	B．or	C．but	D．so
(6)A．too	B．either	C．again	D．also
(7)A．late	B．dangerous	C．fast	D．safe
(8)A．Right now		B．At times
C．Since then		D．Just then
(9)A．saw		B．tried to help
C．pulled		D．swam together
(10)A．gave	B．made	C．came to	D．saved

閱讀理解

　　Long, long ago, there lived a fisherman in a village near the sea. One day the fisherman set out in a small boat. After he had got a good place for fishing, he threw a long rope with many hooks (釣) into the water. Before he had finished doing it, it became very heavy. He thought it seemed too heavy to be a fish, and began to draw (拉) the rope.

　　When the hooks came out of the water, he was surprised, for the hooks were holding some golden chains (金鏈). When he pulled them, more and more golden chains came out. Soon there was a large pile of the golden chains in his boat.

　　“I shall be very rich,” he said to himself. “I can sell the chain for a lot of money. With the money I shall buy a new boat and some new nets. I shall build a house. I shall be the richest man in the world.”

　　He went on drawing more golden chains. But he felt so pleased that he did not notice what was happening to his boat. It began to sink (沉) . As he was pulling the golden chains, the boat sank into the sea. He lost not only all the golden chains but also his boat and his life.

1．The fisherman began to pull the rope ________.

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2．It was so heavy that the fisherman thought ________.

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3．To his surprise ________.

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A．the rope became very heavy

B．there were a large golden chains on the hooks

C．there were some golden chains on the hooks

D．he caught a very big fish

4．The fisherman said to himself that ________.

[　　]

A．he would be very rich

B．he would buy a new boat and some new nets

C．he would buy a house

D．both A and B

5．He did not notice the boat begin to sink because ________.

A．he was thinking of money and was too happy

B．he was very tired

C．he went on pulling the hooks

D．he didn't mind what to happen

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　　My uncle lives in New York City. He likes fishing. Every summer he goes fishing in the Adirondack Mountains.

　　One day this summer he took me to one of the beautiful lakes here. The sun was shining in the blue sky over the lake. My uncle caught some big fish, but I could not catch any. He said, “When I was a child, I caught a lot of fish here. But now there aren't many fish. In some of the lakes there are no fish at all.”

　　Then one day I read an article about acid(酸的) rain in a magazine. I learned many things. Gases(廢氣) from factories and cars go up into the sky, and the wind carries them far away. Later they come down with the rain in other places. That a acid rain.

　　Fish eggs and young fish are killed by even a little acid in the water. Today there are no fish in about 200 lakes in the Adirondack Mountains.

　　Acid rain is becoming a big problem all over the world today. Canada and some countries in northern Europe have the same problems. In Canada, for example, a lot of trees are dying(枯死) because of acid rain.

　　At the end of the article the writer says, “When I stand here and look at these lakes after ten years, what will I see and hear? Will fish jump again? Will birds sing their happy songs? Or will it be a silent spring?”

　　What should we do to stop acid rain? Is it too late now? No, I do not think so. All of us should work together to stop acid rain.

1．There are no fish in many lakes because of ________.

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2．The writer knows why fish eggs and young fish are killed with the help of ________.

[　　]

3．Choose the right order to tell us how fish are killed.

a．Gases go up into the sky.

b．Acid rain falls into the river.

c．Fishes die in the river.

d．Gases come from factories.

e．The wind carries gases far away.

[　　]

4．Which of the following is true?

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A．It's too late to stop acid rain.

B．All the fish will die in ten years.

C．Acid rain helps trees to grow.

D．Acid rain can also kill a lot of trees.