外研版（2019）必修第三冊《Unit 3 The world of science》2021年同步練習卷（Starting out Understanding ideas）

Ⅰ. 單句語法填空

• 1．Happiness doesn't depend on who you are or what you have；it only depends on what you think

  your life.
  組卷：0難度：0.7

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• 2．The police

  （shoot） at the criminal but he escaped.
  組卷：2引用：1難度：0.7

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• 3．It's fashionable but

  （wear），and it's easy to look after.
  組卷：2引用：1難度：0.7

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• 4．They suggested that she

  （make） a working plan ahead of time.
  組卷：1引用：1難度：0.7

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• 5．Online education gives students enough

  （flexible）.
  組卷：1難度：0.6

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• 6．He is always ready to help others，

  （desire） nothing.
  組卷：1難度：0.6

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• 7．

  （addition） courses may be taken if desired.
  組卷：1引用：2難度：0.7

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Ⅲ. 完形填空

• 20．The team I work in just had 2 new interns（實習生），and I happen to be their supervisor.After today's lunch break，I saw that one of them was reading things on her smart phone，maybe on some social network，I（1）

  .I went to her and said，"There's another document here（2）

  translation.Do you have time to finish it for me？" That document was not in her（3）

  workloads.But I thought I could let her （4）

  herself a little bit with it，seeing that she seemed to have（5）

  . "Yes，I do have time. " She said，"but I'm just an intern. " I didn't quite know（6）

  to say back then.After a while I mumbled， "Right.Yes. " And I turned around and left.
     I（7）

  the time when I was an intern for the first time.I，too，managed to finish my workload so fast，just like her.So，I asked my supervisor "Is there（8）

  else that I can help？" And she happened to have a plan to make.But she didn't have time.So she let me do the research and make a draft for her.I was not very familiar with the job （9）

  still tried to carry it out based on my understanding and make it as（10）

  as possible.And my supervisor was really satisfied with the（11）

  .Later，she told me "You（12）

  me a lot of time.I didn't need to create it from start. " And she told me（13）

  how I should have done the plan differently.I learned a lot about the operation in the process.After that，she came to trust me completely.I got my current job all because of her recommendation.
     Yes，I was just an intern with a low salary，but I（14）

  a better future with my extra labor.Time passing，I got it that there's a kind of（15）

  called short-sightedness.
  
  

  （1）	A．asked	B．acquired	C．guessed	D．guaranteed
  （2）	A．asking	B．waiting	C．providing	D．needing
  （3）	A．allowed	B．assigned	C．achieved	D．accused
  （4）	A．challenge	B．compete	C．complain	D．contribute
  （5）	A．idea	B．ability	C．time	D．task
  （6）	A．what	B．that	C．which	D．where
  （7）	A．forgot	B．foresaw	C．reminded	D．recalled
  （8）	A．anything	B．nothing	C．something	D．everything
  （9）	A．and	B．but	C．for	D．or
  （10）	A．precious	B．consistent	C．professional	D．complicated
  （11）	A．report	B．show	C．lesson	D．draft
  （12）	A．gave	B．saved	C．lent	D．borrowed
  （13）	A．in detail	B．in surprise	C．in charge	D．in trouble
  （14）	A．persuaded	B．begged	C．devoted	D．bought
  （15）	A．power	B．pressure	C．poverty	D．performance
  組卷：24引用：2難度：0.5

  解析

閱讀理解

• 21．Many science fiction stories tell about explorers arriving in a new world.The explorers then use some kind of high-tech device to test for breathable air or signs of life.But here on Earth，science fiction is becoming reality through a new sampling technology called environmental DNA，or e-DNA for short.Scientists can use it to identify rare species or estimate fish populations with just a little air or water.
     Environmental DNA can be used in two ways.One is to identify the creatures that live in a certain place.The other is to confirm the presence or lack of a specific creature.
     Caren Goldberg is one of the first biologists in the northwestern United States to take the technology from the testing stage to actually using it.She sees e-DNA as a way to get answers more efficiently，and with less destruction compared to traditional survey techniques.Until recently，scientists depended on diving deep，netting or using an electric current to temporarily catch fish.
     This newer way to identify what lives in the environment is becoming popular around the world.Animal experts in Vietnam are using the e-DNA to find the last，wild Yangtze giant softshell turtles.One researcher on the Caribbean island of Trinidad is using the sampling technology to find endangered golden tree-frogs.And in Madagascar，it is being used to identify amphibian（兩棲動物）diseases.
     Ms Goldberg has used e-DNA testing to confirm the local extinction of a leopard frog in the American state of Idaho.She has also been asked to document the spread of the New Zealand mud-snail in the state of Washington.The creature has been found in lakes and other waterways across the state.
     Scientists working with the technology say they do not expect robots to replace field biologists anytime soon.But the old-fashioned field work could soon be more targeted.
  
  （1）By using e-DNA，Caren Goldberg has

  .
  A．succeeded in catching many fishes
  B．found the existence of golden tree frogs
  C．documented the spread of softshell turtles
  D．proved the disappearance of the leopard frog in Idaho
  （2）What can we infer from the last paragraph？

  
  A．Robots will replace scientists soon.
  B．Some scientists are against using e-DNA.
  C．The old-fashioned field work may disappear.
  D．Many biologists are unwilling to do the field work.
  （3）The passage can be sorted as

  .
  A．science fiction
  B．an experiment report
  C．a science report
  D．a bio-diversity discovery
  組卷：4難度：0.5

  解析