2017成人學位英語完型考試複習題及答案

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Space is a dangerous place, not only because of meteors(流星) but also because of rays from the sun and other atmosphere again acts 1__________our protective blanket on 2 __________t gets through, and this is essential 3__________ plants to make the food which we 4 __________, 5__________ , makes our environments tolerable and some ultraviolet rays(紫外線的) penetrate the 6 __________ic(宇宙的) rays of various kinds come 7__________ the air from outer space, but 8__________ quantities of radiation from the sun are screened off. 9 __________ men leave the atmosphere they are 10__________ to this radiation; 11__________ their spacesuits or the walls of their spacecraft, if they are inside, 12__________ prevent a lot of radiation ation is the greatest known danger to explorers in 13 __________s of radiation are measured in 14__________ called"rems(雷目)" all 15__________ radiation here on earth from the sun, from cosmic rays and from radioactive "16__________"dose of radiation that we receive each year is about two millirems; it 17__________ according toswheresyou live, and this is a very rough ntists have reason to think 18 __________a man can 19 __________far more radiation 20 __________without being damaged; the figure of 60 rems has been agreed.

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1.【答案】D

【解析】act as"充當、起……作用";act for"代表、代理";act on"按照"。本句意為大氣層起到保護傘的作用。

2.【答案】C

【解析】見上題分析。

3.【答案】D

【解析】be essential for"對……來説是首要的、基礎的"，固定搭配。

4.【答案】C

【解析】只有eat與先行詞food和定語從句which we…搭配。

5.【答案】D

【解析】本句意為：熱不僅使我們的生產環境温度適宜，而且紫外線也能穿透大氣。also一般緊跟動詞;besides一般用在句前;too可用在句中，用逗號隔開。

6.【答案】C

【解析】根據上題所講，penetrate這個動詞後面應接atmosphere"大氣"這個名詞。

7.【答案】D

【解析】這裏的come through相當於penetrate，穿透。come across"偶遇";come to"來到";come from"來自"。本句意為：各類來自外部空間的宇宙射線穿透大氣層……，故選come through。

8.【答案】B

【解析】Valid有效的';various各種各樣的;proper合適的。在四個選項中只有enormous表示"大量的"意思。

9.【答案】A

【解析】as soon as"只要";as well as"除……之外";as much as"和……一樣多";as possible as"儘可能的"。

10.【答案】B

【解析】be exposed to"暴露於"，show"展示";face"面對"。

11.【答案】A

【解析】本句前半句的意思是："人們一離開大氣層就會接觸射線";後半句意思是："他們的太空服和太空船會阻止射線造成的損害"。前後應該是轉折關係，故用but。

12.【答案】D

【解析】Do 動詞原型的結構表示強調謂語動詞。

13.【答案】C

【解析】由radiation和explorers可推測，應選space(太空)。本句意為射線是探險者在太空遇見的已知的最大危險。

14.【答案】B

【解析】unit"單位、單元";element"元素";part"部分";piece"碎片"本句意為：射線的多少可以以雷目這個測量單位測量。

15.【答案】A

【解析】receive表示客觀收到;accept表示主觀接受。我們受到的輻射並非主觀接受。

16.【答案】D

【解析】conventional"傳統的";common"共同的、普通的";general"一般的、總體的";normal"正常的"。本句意為：我們每年接受的正常輻射量……，故選normal。

17.【答案】D

【解析】shift"移動";convert"轉換";modify"修改";vary"變化"。根據句意，所處地點不同，所受輻射量也不一樣……，故選varies.

18.【答案】C

【解析】本句應填入引導賓語從句的代詞，而從句不缺少主語和賓語，因而不選擇what和which，又加之主句是陳述語氣，故選擇that。

19.【答案】A

【解析】put up with"忍受"，固定搭配。keep up with和catch up with意為跟上,come up with意為提出。

20.【答案】B

【解析】more (radiation)後應加than。