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It is uncertain ___ side effects these w...

It is uncertain ___ side effects these weight-loss drugs will bring about, although hundreds of thousands of patients have taken it.

A.that

B.whether

C.how

D.what

 

D 【解析】考查名词性从句。It 是形式主语,what引导的是真正的主语从句,what在从句中充当定语,修饰side effects。句意为:尽管成千上万人服用了这种减肥药,它会产生什么副作用还不能确定。
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When the weather ___45___ warm, sea turtles leave the ocean to___46___ their eggs on the beach. This is the only time they will ever leave the water. Most___47____ turtles spend part of the time in water___48___ part of the time on land. It is easy to understand___49____ sea turtles stay in the water. Their___50___ to swim is greater than their ability to walk. Their heavy bodies and unusual feet make it hard for them to ___51___ on land. They are better___52___ for life in the water. They are well suited for life in the sea because of__53___ their bodies are made.

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1.

A.dwarfs

B.giants

C.mammals

D.ancestors

 

2.

A.measure

B.weigh

C.sell

D.sound

 

3.

A.grow up

B.bring up

C.take up

D.go up

 

4.

A.suit

B.fit

C.match

D.seize

 

5.

A.go to

B.turn to

C.back to

D.return to

 

6.

A.keep up with

B.keep track of

C.keep in touch with

D.keep to

 

7.

A.swim

B.hide

C.sleep

D.stay

 

8.

A.push

B.draw

C.drag

D.pull

 

9.

A.away

B.from

C.for

D.to

 

10.

A.becomes

B.turns

C.changes

D.leads

 

11.

A.lay

B.lie

C.laid

D.lain

 

12.

A.the other

B.another

C.other

D.others’

 

13.

A.but

B.and

C.or

D.so

 

14.

A.when

B.where

C.why

D.as

 

15.

A.technique

B.talent

C.ability

D.opportunity

 

16.

A.walk

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C.wander

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17.

A.adopted

B.adapted

C.adequate

D.admitted

 

18.

A.the way

B.the manner

C.the method

D.the shape

 

19.

A.paddles

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20.

A.abnormal

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