Only lately about the dark secrets behind the seemingly-happy marriage of the golf star Tiger Woods. A. the public have known B. were the public known C. have the public known D. the public knew 题目和参考答案——青夏教育精英家教网—

题目内容

Only lately 　　　　 about the dark secrets behind the seemingly-happy marriage of the golf star Tiger Woods.

A. the public have known　　　　　　　　 B. were the public known

C. have the public known 　　　　　　　 D. the public knew

考查动词时态及部分倒装。此处only lately置于句首，后文应部分倒装；根据句意“人们已经知道”可知用现在完成时。

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Why don’t birds get lost on their long migratory (迁移的) flights? Scientists tried their best to find the 1 to this question for many years. The reasons have been discovered only lately.

　　 2 ago experiments showed that birds depend on the sun to guide them 3 . But what about birds that fly mainly by night? 4 with man-made stars have 5 that certain night-flying birds are able to follow the 6 in their long distance flights.

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　　Scientists think that warblers, 15 flying in daylight, use the sun for guidance. But stars are clearly their important 16 of navigation(导航). What do they do when the stars are 17 behind the clouds? Clearly, they find their way by such land 18 as mountains, coastlines and river courses. But when it's too 19 to see these, the warblers circle 201 , unable to find out where they were.

1. A. reply B. answer C. discovery D. replies

2. A. Not long B. Long C. Centuries D. Years

3. A. during the night B. during daylight hours

C. in winter D. in the dark

4. A. Examinations B. Labs C. Tests D. In the dark

5. A. been proved B. found C. been found D. proved

6. A. stars B. moon C. route D. sun

7. A. star B. scientist C. bird D. flight

8. A. forest B. cage C. nest D. cave

9. A. strength B. ability C. experience D. practice

10. A. time B. place C. way D. season

11. A. to B. towards C. in D. under

12. A. that B. which C. one D. it

13. A. one B. change C. way D. bird

14. A. caused B. gave C. resulted D. meant

15. A. for B. when C. after D. they are

16. A. ways B. means C. objects D. homes

17. A. shown B. covered C. moved D. hidden

18. A. areas B. surface C. marks D. signs

19. A. far B. high C. dark D. bright

20. A. helplessly B. quickly C. easily D. freely

Only lately about the dark secrets behind the seemingly-happy marriage of the golf star Tiger Woods.

A．the public have known	B．were the public known
C．have the public known	D．the public knew

Only lately about the dark secrets behind the seemingly-happy marriage of the golf star Tiger Woods.

A．the public have known B．were the public known

C．have the public known D．the public knew

Only lately about the dark secrets behind the seemingly-happy

marriage of the golf star Tiger Woods.

A. the public have known B. were the public known

C. have the public known D. the public knew

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