Unit 1 重点单词变形，词组，短语，句型练习-2022-2023学年高二英语选择性必修第二册单元重难点易错题精练（人教版2019）

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Unit 1 Science and Scientists

重点单词变形，词组，短语，句型练习

(知识点全覆盖)

一、词性转换

1．infect vt. 使感染；传染→______________ n. 感染；传染→______________ adj. 传染的

2．subscribe vi. 认购（股份）；定期订购→______________ n. 订阅；订购

3．pure adj. 干净的；纯的→______________ n. 纯洁；纯粹→______________ v. 净化；使纯净

4．decrease n. &vt. &vi. 减少；降低→（反）______________n. 增加，提高

5．transform vt. & vi. （使）改观；转变→______________ n. 改变；转变

6．machine n. 机械；机器→____________ adj. 机械的；发动机的→____________ n. 机械师；机械修理工

7．defend vt. 保卫；防守→______________ n. 防御；防守

8．assist v. 帮助→______________n. 助理；助手→______________ n. 帮助；援助

9．gift n. 礼物；天赋 v. 赋予→______________ adj. 有天赋的；有天才的

10．initial adj. 最初的的；开始的→______________ adv. 最初；首先

二、汉译英（单词/短语）

11．______________最终地；彻底地

12．______________同意；赞同；订阅

13．______________幸亏；由于

14．______________理论框架

15．______________（战争、打斗等不愉快的事情）突然开始；爆发

16．______________主管；掌管

17．______________（患）病；染上（小病）

18．______________最重要的是；尤其是

19．______________追溯到

20．______________熟悉

三、用单词的适当形式完成句子

21．The question asked by the students was difficult _________ (handle).

22．He didn’t attend the meeting. That’s________ he had an urgent thing to deal with.

23．We had to face up to a number of seemingly ________ (contradict) concerns.

24．Lost in despair, the fellow didn’t know how______________(handle) the embarrassing situation.

25．All the people, men and women, young and old, were fighting against the flood in _________(defend) of

their own homes.

26．The risk of ________(infect)is much higher among children.

27．The blood on his shoes was a ________(prove) of his guilt.

28．The case was dismissed in the absence of any definite__________(prove).

29．These cattle are one of the____________(pure)breeds in Britain.

30．_________(initial), I thought I would only stay there for a year.

31．Objective assessment of the _________ (severe) of the problem was difficult.

32．The children were having fun, chasing each other’s________(shadow).

33．Over the past decades, sea ice________(decrease)in the Arctic as a result of global warming.

34．They help the body defend itself against some kinds of_____________(infect).

35．The past few months have seen Shantou __________ (transform)into a cleaner and more beautiful city.

36．A war ________ (break) out in the country many years ago.

37．The country had undergone a complete________(transform) in the past several decades.

38．Two__________(suspect)were arrested today in connection with the robbery.

39．He__________(suspect) of selling state secrets and arrested last month.

40．The___________（infect）seems quite mild, so she should be better soon.

41．Only a minority of the people subscribe ________ the suggestion that the tournament should be delayed.

42．Likewise, the ________(intervene) of mankind led to the chaos in ecology.

43．He made a long speech _____________ (defend) his views from objections.

44．They walked with their arms____________(link).

45 ．Greenery is good for us. Hospital patients who see tree branches out their window are likely

__________(recover) at a faster rate than patients who see buildings or sky instead.

46．We all feel it is Jack as well as his wife that is ________ (blame) for their son’s bad performance at school.

47．The hydrothermal vents form in volcanic ally active areas, _________ (pour) mineral-rich fluids into the sea.

48 ．His presence meant that I had an unexpected teaching ________(assist) in class whose creativity would

infect(感染) other students.

49．For the past five years the man has been employed as a shop________ (assist).

50．Thanks _____the Silence Machine,a British invention,you can get rid of the sound without upsetting the boy

or his parents.

51．As your ________ , I am responsible for ________you in preparing the experiment.(assistance)

52．They have gathered the best__________ (statistic) they can find and run them through their own computers.

53．Ade and Brooks exchanged blows yesterday and they were __________ (severe) punished today.

54．China' s image is improving ______(steady), with more countries recognizing its role in international affairs.

55．Frank Hurley, a confident and ______（gift）Australian photographer who knew the Antarctic, was hired to

make the images, most of which have never before been published.

56．That hotel doesn’t rate five stars _____all.

57．The more experienced you are, the easier it is to find fault ____other people's ideas.

58．Apart ______some spelling mistakes, the composition is fairly good.

59．Man is the only creature that is gifted _______speech.

60．He was charged ____murder and sentenced to death.

四、根据汉语意思填写单词

61．They have the confidence and ability to __________(处理) the important matter well.

62．________(责备) for the breakdown of the school computer network, he was in low spirits.

63．Newspapers seized on the results as__________ (证据)that global warming wasn’t really happening.

64．When he heard the disappointing news, tears ______________(涌出) down his cheeks.

65．If untreated, the illness can become ________(十分严重的).

66．The ________ (病毒) seems to have attacked his throat.

67．The number of poor men is on the ________(下降)as the economy is growing.

68．In Korea, robots are the new teaching________(助手) in a number of preschools and kindergartens.

69．Even if emissions were to begin to ________ (减少)today, we would still face the challenge of adapting to

climate change.

70．The company has been ________(转变) from a family business to a multimillionpound operation.

五、完成句子

71．这就是我想放弃这个机会的原因。

________ ________ ________I wanted to give up this opportunity.

72．保持清洁有助于最大限度地减少感染的风险。

Good hygiene helps to minimize ________________.

73．这些年来我们的进口有所减少。

There has been ________ our imports over the years.

74．自从饥荒爆发以来，死于饥饿的人数一直在增加。

Since the famine ____________________, the number of the people dying of starvation ____________________

been increasing.

75．专家们警告从医院里出来的医疗垃圾如果得不到恰当处理，可能会导致疾病的蔓延。

Experts warn people that medical waste from hospitals, ______________ properly, may lead to the spread of

diseases. （handle；省略句式）

六、用单词的适当形式完成短文

阅读下面短文，在空白处填入 1个适当的单词或括号内单词的正确形式。

Chinese female scientist TU Youyou, ___76___ (award) the Nobel Prize for Physiology or Medicine on Oct

6 when she was 85 years old, was ___77___ first Chinese citizen to win a Nobel Prize in science. Tu ___78___

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Unit 1 重点单词变形，词组，短语，句型练习-2022-2023学年高二英语选择性必修第二册单元重难点易错题精练（人教版2019）

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