日韩亚洲一区中文字幕,日韩欧美三级中文字幕在线,国产伦精品一区二区三区,免费在线欧美性爱链接

      1. <sub id="o5kww"></sub>
        <legend id="o5kww"></legend>
        <style id="o5kww"><abbr id="o5kww"></abbr></style>

        <strong id="o5kww"><u id="o5kww"></u></strong>
        1. Many people begin to use pencils from an early ageThere are many kinds of pencilssome have erasers on top;some are colorfulYou may have used many kinds of them for many years,but do you know the history of pencils?

          Many years ago,people in Egypt used leadto writeNow,pencils are made from graphite(石墨)instead of leadIn l564,people found that graphite could leave black marksIn the beginningthe people used it to make marks on their sheepLater they used the graphite to writeThey thought it was leadGraphite left a blacker mark than lead,but it was not strong enough so it needed something to hold it

          In 1565,Conrad Gesner first put graphite into something to hold itLaterin the 1600s,German people mixed graphite with some other things and used them for writingLater,France couldn't get pencils from both the English and the Germans,so Nicholas Jacques Conte began to  make pencilsIn  Francethere was little graphite,so he mixed graphite with clay粘土).

          In 1812,William Munroe made the fist American wood pencilsLater,a man put a small eraser on top of a pencilA new kind of pencil was born

          1People began to write with lead first in ________

          AEgypt                  BEngland               CGermany

          2Graphite is ________ than lead

          Ablacker and softer   Bblacker and harder   Csofter and lighter

          3The first people to mix graphite with other materials are ________

          AEnglish                BGerman                 CFrench

          4The first person to put graphite into something to hold is ________

          AWilliam Munroe                                       BNicholas Jacques Conte

          CConrad Gesner

          5The passage is mainly about the ________ of pencils

          Akinds                   Bhistory                 Cmaterials

          1、AABCB

          請在這里輸入關(guān)鍵詞:
          相關(guān)習題

          科目:初中英語 來源: 題型:閱讀理解

          Many people begin to use pencils from an early age.There are many kinds of pencils:some have erasers on top;some are colorful.You may have used many kinds of them for many years,but do you know the history of pencils?

          Many years ago,people in Egypt used lead(鉛)to write.Now,pencils are made from graphite(石墨)instead of lead.In l564,people found that graphite could leave black marks.In the beginning,the people used it to make marks on their sheep.Later they used the graphite to write.They thought it was lead.Graphite left a blacker mark than lead,but it was not strong enough so it needed something to hold it.

          In 1565,Conrad Gesner first put graphite into something to hold it.Later,in the 1600s,German people mixed graphite with some other things and used them for writing.Later,F(xiàn)rance couldn't get pencils from both the English and the Germans,so Nicholas Jacques Conte began to  make pencils.In  France,there was little graphite,so he mixed graphite with clay(粘土).

          In 1812,William Munroe made the fist American wood pencils.Later,a man put a small eraser on top of a pencil.A new kind of pencil was born.

          1.People began to write with lead first in ________.

          A.Egypt                  B.England               C.Germany

          2.Graphite is ________ than lead.

          A.blacker and softer   B.blacker and harder   C.softer and lighter

          3.The first people to mix graphite with other materials are ________.

          A.English                B.German                 C.French

          4.The first person to put graphite into something to hold is ________.

          A.William Munroe                                       B.Nicholas Jacques Conte

          C.Conrad Gesner

          5.The passage is mainly about the ________ of pencils.

          A.kinds                   B.history                 C.materials

          查看答案和解析>>


          同步練習冊答案