3.Finding out the secrets of hibermation is important for interplanetrary journey because travelers probably _______ .

　 A. can change their body temperature　 control their blood flow

stand temperature changes in space　 D.don’t need to carry much food

2.According to the passage ,when groundhogs are hibermating, they ______ .

　 A. will experience great energy regulation changes

　 still fly freely together

　 C.must change some genes in their bodies

　 D.will completely shut down their metabolism

1.　　　 According to the passage , “groundhogs” should be ________ .

A.a kind of bird　　　　　　　　　　 B.cold-blooded animals　

C. animals able to hiberante　　　　　 D. a kind of snake　　　　　　　　　　　　　　　　　　　　　　　　

16.It’s ______ any wonder that his friend doesn’t like watching television much.

A.no　　 B.such　　 C. nearly　　 D. hardly

15.Car taxes will now ______ according to the amount of carbon dioxide a particular car produces.

A.　 bend　 B. fold　　 C. manage　　 D. vary

14.She complained to us that nothing ______ the way she had expected.

A.came out　 B. brought up　 C.picked out D.made out of

13.Women are not ______ men in China _______ .

A. inferior　 with, forever　 B. inferior to , for good　

C.fools to , for free　　　　 D. engaged to , on business

12.________ the sport meet , ______ if it　 rains tomorrow?

A. As, what　 B. As a result of　 , why　 C. As to , what　 D. As though, where

11.The Olympics will be _______ by China , in which our athletes are sure to bring _______ to our country.

A.mastered　 , glory　 B> taken , glorious　 C. held on to, success　 D.hosted ,glory