9.I wish I the bike.I only made it worse. A.wouldn't have tried B.didn't try C.wouldn't try D.hadn't tried 10.Not only pets,they made them do strange things for their entertainment. A.kept rich people B.did rich people keep C.rich people did keep D.rich people kept Ⅱ.Cloze Directions:For each numbered blank in the following passage,there are four choices marked A, B,C and D.Choose the best one and mark your answer on the ANSWER SHEET.(20 points) The fiddler crab is a living clock.It indicates the time of day by the color of its skin, which is dark by day and pale by night.The crab's changing color 11 a regular twenty- four hour plan that exactly matches the daily rhythm of the sun. Does the crab actually keep time,or does its skin simply 12 to the sun's rays, changing color according to the amount of light that strikes it?To find the reason out, biologists kept crabs in a dark room 13 two months.Even without daylight the crab's skin color continued to change 14 on time. This characteristic probably 15 gradually in answer to the daily rising and setting of the sun,to help protect the crab 16 sunlight and enemies.After millions of years it has become completely regulated inside the 17 body of the crab. The biologists 18 that once each day the color of the fiddler crab is especially dark, and that each day this happens fifty minutes later than on the day before.From this 19 discovered that each crab follows not only the rhythm of the sun but also that of the tides. The crab's period of greatest darkening 20 exactly the time of low tide on the beach where it was caught! 11.A.improves B.follows C.fails D.achieves 12.A.happen B.stick C.answer D.occur 13.A.for B.with C.in D.of 14.A.ideally B.timely C.excitedly D.exactly 15.A.developed B.collected C.discovered D.communicated 16.A.away B.out C.from D.for 17.A.living B.live C.dead D.ancient 18.A.began B.noticed C.decided D.prepared 19.A.we B.crab C.they D.color 20.A.continues B.is C.works D.delivers 7599. I wish the bike. I only made it worse. A. wouldn't have triedB. didn't try C. wouldn' t try D. hadn' t tried 10. Not only 一一 pets. they made them do strange things for their entertainment. A. kept rich people B. ' did rich people keep C. rich people did keep D. rich people kept II. Cloze Directions: For each numbered blank in the following passage , there are four choices marked A, BI C and D. Choose the 回t one and mark your answer on the ANSWER SHEET. (20 points) The fiddler crab is a living clock. It indicates the time of day by the color of its skin. which is dark by day and pale by night. The crab's changing color 11 a regular twenty￾four hour plan that exactly matches the daily rhythm of the sun. Does the crab actually keep time. or does its skin simply 12 to the sun' s rays , changing color according to the amount of light that strikes it? To find the reason out. biologists kept crabs in a dark room 13 two months. Even without daylight the crab' s skin color continued to change 14 on time. This characteristic probably 15 gradually in answer to the daily rising and setting of the sun. to help protect the crab 16 sunlight and enemies. After millions of years it has become completely regulated inside the 17 body of the crab. The biologists 18 that once each day the color of the fiddler crab is especially dark. and that each day this happens fifty minutes later than on the day before. From this 19 discovered that each crab follows not only the rhythm of the sun but also that of the tides. The crab' s period of greatest darkening 20 exactly the time of low tide on the beach where it was caught! 11. A. improves B. follows c. fails D. achieves 12. A. happen -B. stick C. answer D. occur 13. A. for B. with C. in D. of 14. A. ideally B. timely C. excitedly D. exactly 15. A. developed B. collected C. discovered D. communicated 16. A. away B. out C. from D. for 17. A. living B. live C. dead D. ancient 18. A. began B. noticed C. decided D. prepared 19. A. we B. crab C. they D. color 20. A. continues B. is C. works D. delivers 759