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 III.Reading Comprehension Directions:Each of the passages below is followed by some questions.For each question there are four answers marked A,B,C and D.Read the passages carefully and choose the best answer to each of the questions.Mark your answer on the ANSWER SHEET.(20 points) Questions 21~25 are based on the following passage. Some people hate everything that is modern.They cannot imagine how anyone can really like modern music;they find it hard to accept the new fashions in clothing;they think that all modern painting is ugly;and they seldom have a good word for the new buildings that are being built everywhere in the world.Such people look for perfection in everything, and they take their standards of perfection from the past.They are usually impatient with anyone who is brave enough to experiment with new ideas or to express himself or the age in any original ways.It is,of course,true that many artists do not succeed in their work and instead produce works that can only be considered as failures.If the work of art is a 971The 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 sunbut also that of the t记es. The crab's period of greatest darkening where it was caught! exactly the time of low tideo n the beach 20 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 II.Reading Comprehension Directions; Each of the passages below is followed by some questions. For each question there are four answers marked A，B, C and D. Read the passages carefully and choose the best answer to each of the questions. Mark your answer on the ANSWER SHEET. (20 points) Questions 21一25 are based on the following passage. Some people hate everything that is modern. They cannot imagine how anyone can really like modern music that all modern painting ;they find it hard to accept the new fashions in clothing;they think is ugly; and they seldom have a good word for the new buildings that are being built everywhere in the world. Such people look for perfection in everything， and they take their standards of perfection from the past. "They are usually impatient with anyone who is brave enough to experiment with new ideas or to express himself or，he age in any original ways. It is，of course，true that many artists do not succeed in their work and instead produce works that can only be considered as failures. If the work of art is a 971