人教版（2019）必修第三册《Unit 1 Festival and celebrations》2021年同步练习卷（Listening and Speaking 课后一练）

一、单句语法填空

• 1．Festivals

  （celebrate） all around the world.
  组卷：0引用：3难度：0.7

  解析

• 2．The harvest festival usually takes place after all the crops

  （gather） in.
  组卷：6引用：3难度：0.7

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• 3．During the Mid-Autumn Festival in China，families gather to admire the

  （shine） moon and enjoy delicious mooncakes.
  组卷：0引用：3难度：0.6

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二、阅读理解

• 8．With their furry round heads and big black eyes，Zhongzhong and Huahua look just the same as any other monkey.But they happen to be the world's first cloned monkeys.
     Years ago，scientists used cloning techniques to produce Dolly，the world's first cloned mammal（哺乳动物）.They now used the same technique to produce the monkeys in China.
     In animal cloning，animals are produced in a lab by using DNA that is taken from the cells of a naturally-born animal.To clone Zhongzhong and Huahua，scientists from the Chinese Academy of Sciences（CAS）first removed the nucleus （细胞核）from a monkey's egg cell.They then put another nucleus taken from the monkey's body cells into the egg cell.The newly-formed egg was put into the womb（子宫）of a female monkey.Finally，Zhongzhong and Huahua were born.
     The cloning process is hard，especially removing nucleus.It needs to be done in a fast and precise（精确的） way.The faster you do it，the less damage is done to the egg，according to CAS.Scientist Liu Zhen spent three years practising removing the nucleus.
     Unlike common monkeys，cloned monkeys have the same DNA as each other.When doing experiments on them，scientists can easily know that certain results are caused by different treatments，rather than different genes.
     According to Sun Qiang from CAS，most drug trials（药物试验）are done on lab mice.However，drugs that work on mice might not work on humans.The two species are very different.
     "Monkeys and humans are closely related and testing on monkeys is supposed to be as effective as testing on humans，" Sun added.
  
  （1）What can we learn about Zhongzhong and Huahua？

  
  A．They are naturally-born monkeys.
  B．They are the world's first cloned mammals.
  C．They are the world's first cloned monkeys.
  D．They are twin sheep that were born by Dolly.
  （2）What do we know about the two monkeys？

  
  A．They look different from other monkeys.
  B．They have the same DNA.
  C．Their body cells don't have any nucleus.
  D．They can live for only three years.
  （3）What can we learn from Paragraph 4？

  
  A．Removing the nucleus is difficult.
  B．The cloning process is very safe.
  C．It took three years to remove the nucleus.
  D．It is impossible to clone other animals.
  （4）Why do scientists want to do drug tests on monkeys？

  
  A．Because it's easier to use them for tests.
  B．Because there are not enough mice.
  C．Because drugs work well on monkeys.
  D．Because monkeys are similar to humans.
  组卷：10引用：1难度：0.5

  解析

三、书面表达

• 9．假如你是李磊，你的英国笔友Jack来信询问中国的春节。请根据以下提示，给他回一封不少于100词的电子邮件，介绍中国的节日——春节，开头、结尾已给出，不计入总词数。
  要点提示：
  1.春节是中国的传统节日之一，它也是中国最重要的节日；
  2.庆祝春节的目的在于辞旧迎新；
  3.在中国，人们以多种形式庆祝春节，如：在一些地区放烟花爆竹，吃团圆饭等；
  4.春节时，家家户户吃饺子，长辈给小孩发压岁钱；
  5.人们见面时，相互拜年，祝福大家在新的一年里有好运气。
  Dear Jack，
  ______________________
  Yours，
  Li Lei
  组卷：12引用：4难度：0.5

  解析