Test of unit 4第一部分：听力理解（略）第二部分：英语知识运用第一节：单项填空(共15小题；每小题1分，满分15分)21. We are not prepared to compromise _ safety standards.A. with B. between C. on D. in22.Generaly speaking, when _ according to the directions, the medicine hads no side effect.A. taking B. taken C. to take D. to be taken23. The visiting cousins expressed their satisfaction with their tour, _ that they had enjoyed their stay her.A. having added B. to add C. adding D. added24. Would you classify it _ a hard drug or a soft drug?A. into B. by C. as D. apart25. I am delighted to _ your acquaintance, Mr. Baker. A. make B. put C. take D. have26. Our holidays were mined by the weather; have stayed at home!A. it may be as well B. it was just as well weC. we might just as well D. we might do as well as we27. Alice is visiting her mother today. In that case, you have dinner with us tonight?A. will B. can C. wont D. cant28. Bob must be very wealthy. Yes, he _ more in one day than I do in a week.A. cams B. had earned C. has been earned D. has earnings29. It displeases my parents when Richard and I stay out late at night. My parents dont approve _.A. of Richard and me staying out late at night B. of me and Richard staying out late at nightC. to Richards and my staying out late at night D. when Richard and nm stay out !ate at night30. Be what you axe, give what you can, and the rest of the timeA. you can mind your own business B. please mind your own businessC. you will mind your own business D. mind your own business31. Shall we eat here? No, I dont like to cat at this restaurant, for the waiter gave me _.A. a rare cooking steak B. a steak rarely cookedC. a steak rarely cooking D. a rare-cooked steak32. _, where we can stay for a week.A. Next is another hotel to it B. Next to it another hotel isC. Next to it is another hotel D. it is next to another hotel is33. That was not the first time he _ us. I think its high time we _ strong actions against him.A. betrayed (背叛), take B. had betrayed, took C. has betrayed, took D. has betrayed, take34. Once _, the clock will a month and keep good time.A. start B. started C. to start D. starting35. Does Alan like hamburgers? Yes, very much _ that he eats that almost every day.A. for B. as C. to D. so第二节：完形填空(共20小题；每小题15分，满分30分) 阅读下面短文，掌握其大意，然后从3655各题所给的四个选项(A，B，C，D)中，选出最佳选项，并在答题卡上将该项涂黑。 What makes a child speak a language has long been a puzzle to linguists (语言学家). 36 speaking, there are two schools of linguists, both of 37 try to explain 38 a child picks up a language so easily. The fact that a child picks up a language 39 is surprising: at one year old, a child is able to 40 bye-bye; at two, he is able to use fifty words; by three he begins to 41 tenses. The famous American linguist Noam Chomsky 42 that human beings have a sort of built-in system for language use, and that the 43 is only secondary. Children are not taught language 44 they are taught arithmetic. Other linguists, 45 , hold the view that a child learns 46 of his language from the hints in the environment. 47 , theorists of both schools 48 that there is a biological basis for language and language use. The 49 is which is more important, the inner ability or the environment. This is certainly a field 50 to be explored. Researchers from both schools are busy finding evidence to 51 their own theory, but 52 side is persuading the other. It seems that in order to 53 why a child learns a language so easily, we have to 54 the joint efforts of both schools. Some linguists, like De Villiers, have recognized the value of cooperation, and 55 linguists of both sides to work together.36. A. Surprisingly B. Personally C. Properly D. Roughly37. A. them B. who C. whom D. which38. A. that B. when C why D. how39. A. independently B. naturally C. without help D. with ease40. A. speak B. say C. wave D. respond41. A. master B. study C. have D. get42. A. doubts B. believes C. realizes D. criticizes43. A. help B. teacher C. environment D. hint44. A. as B. for C. when D. though45. A. in particular B. as a result C.