题目内容

We should consider the students’ request _____ the school library provide more books on popular science.

A. that B. when C. which D. what

 

A

【解析】句意：我们应该学生们学校图书馆提供更多关于通俗科学的请求。表推荐、建议、要求和命令的名词，相应的同位语从句的关系词that不作任何成分，但是又不可缺少。B. when表时间；C. which 哪一个； D. what什么。由句意可知选A。

考点: 考查同位语从句的用法。

 

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Later in life it can be hard to start saving ___ general cost of living is more expensive and you may only have enough to pay your ___. If you want to buy a house and have a family, you need money to start with, which ____ saving.

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Saving early will mean you will have to work for fewer years when you are older. It will also _____ you to spend time doing the things that you want to do.____， it will mean you can live the way you want to without __.

1.A. needsB. likesC. arrangesD. expects

2.A. knowledgeB. experienceC. formD. sense

3.A. foolishB. fundamental C. luckyD. grateful

4.A. WithB. OfC. InD. From

5.A. divide upB. build upC. keep upD. make up

6.A. breakB. runC. makeD. grow

7.A. recognizeB. realizeC. researchD. doubt

8.A. mustB. dareC. shouldD. may

9.A. so thatB. in caseC. in thatD. but for

10.A. butB. andC. alsoD. or

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12.A. hold outB. hold upC. hold ontoD. hold back

13.A. surviveB. struggleC. tolerateD. die

14.A. ifB. as long asC. whileD. since

15.A. billsB. taxesC. attentionD. consequences

16.A. results fromB. gets fromC. comes fromD. escapes from

17.A. happyB. simpleC. miserableD. secure

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Squirrels often communicate with whistles, chirps and chucks, which sound like the word “chuck”. Whistles and chirps are like the sounds that many birds make. Now scientists have translated some of their squirrel-speak.

Hare, a professor of zoology at the University of Maniloha in Winnipeg, and his team managed to record squirrels' alarm calls. The researchers studied the sounds and then played them back to 60 wild squirrels, which the scientists approached individually with a video recorder to capture(抓拍）their responses. Some squirrels lifted their heads up and became alert(警惕的）. Creatures that were more frightened simply ran for their lives and dived into caves.

"In effect then, whistles that mix with chucks say 'there's an enemy of average threat that's here', and whistles without chucks say 'there's an enemy of seemingly average threat around here somewhere', while pure chirps say, 'I'm hiding here because there's an immediate danger. ' " Hare told. Discovery News.

Hare and some other researchers believe such sounds are part of an advanced language that develops just as all other communication systems.

Although squirrels risk their lives when they call out to warn others of threats, other squirrels might admire this behavior, thus increasing the caller’s social status, like humans who look up to heroes. Hare added that other animals, such as birds, probably understand at least some squirrel language, since they also may benefit from the alarm calls.

In fact, another Canadian study found that deep-voiced, black-capped chickadees have their own language too. According to certain research, there are a lot of tidings in chickadees' calls, such as directing fellows' activities, keeping in contact between mates, and raising alarms.

While chickadees and other birds are often welcomed into gardens by homeowners, squirrels are frequently viewed as pests(害兽）. Hare wishes a greater understanding of the complex social lives and communication systems of squirrels will provide “hope that humans will gain a greater appreciation and stop doing harm to these animals”.

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B. the comparison between squirrels and chickadees

C. the calling for the protection of squirrels

D. the study on the language of squirrels

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A. whistles with chucks B. pure chirps

C. whistles without chucks D. repeated chucks

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A. difficulties B. noises

C. messages D. languages

4.What can be learned from this text?

A. Squirrels communicate with each other as humans do.

B. Some squirrels understand the recorded alarm calls.

C. Other animals also well understand the language of squirrels.

D. Birds such as chickadees don’t have their own language.

 

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A. employed B. being employed

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A. is appreciated by countries like the USA and Japan

B. will bring trouble to the western countries in space

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