The amount of usable water has always been of great interest in the world. ___36___ springs and streams sometimes means control,  particularly in the ___37___ areas like the desert. The control is possible even without possession of large areas of ___38___ land. In the early days of the American West,  gun fights were not ___39___ for the water resources (资源). And laws had to be ___40___ to protect the water rights of the ___41___ and the use of the water resources accordingly.

42___ is known to us all,  there is not ___43___ water in all places for everyone to use as much as he likes. Deciding on the ___44___ of water that will be used in any particular period

45___ careful planning,  so that people can manage and use water more ___46___. Farmers have to change their use of or demand for water ___47___ the water supply forecast (预报).

The ___48___ water supply forecast is based more on the water from the ___49___ than from the below. Interest is ___50___ in the ways to increase rainfall by man-made methods,  and to get water from the winter snow on mountain ___51___. With special equipment,  some scientists are studying the ways in which the mountain snow can be ___52___,  and with the help of a repeater station,  they send the ___53___ data (数据) to the base station. The operator at the base station can get the data at any time by ___54___ a button. In the near future,  the forecast and use of water ___55___ probably depend on the advance knowledge of snow on mountains,  not of water underground.

36. A. Using   B. Holding     C. Owning      D. Finding

37. A. dry       B. distant C. deserted     D. wild

38. A. fine      B. beautiful    C. rich    D. farming

39. A. unlawful      B. unacceptable      C. unpopular   D. uncommon

40. A. made    B. designed     C. signed D. written

41. A. winners       B. settlers       C. fighters      D. supporters

42. A. That     B. It C. What  D. As

43. A. plentiful      B. enough       C. any     D. much

44. A. type     B. quality       C. amount      D. level

45. A. requests       B. requires      C. means D. suggests

46. A. effectively   B. easily  C. conveniently      D. actively

47. A. leading to    B. due to C. owing to    D. according to

48. A. correct  B. further       C. average      D. early

49. A. clouds  B. sky     C. air      D. above

50. A. raising  B. rising  C. building     D. lasting

51. A. rocks    B. tips     C. cops    D. trees

52. A. taken care of       B. made use of       C. piled up     D. saved up

53. A. picked  B. produced    C. used    D. gathered

54. A. touching      B. knocking    C. pressing     D. turning

55. A. might   B. can     C. will    D. should

The amount of usable water has always been of great interest in the world． 36 springs and streams sometimes means control，particularly in the 37 areas like the desert．The control is possible even without possession of large areas of 38 land. In the early days of the American West，gun fights were not 39 for the water resources，and laws bad to be  40  to protect the water rights of the  41  and the use of the water resources accordingly.

42 is known to us all, there is not 43 water in all places for everyone to use as much as he likes. Deciding on the 44 of water that will be used in any particular period 45 careful planning, so that people can manage and use water more 46. Farmers have to change their use of or demand for water 47 the water supply forecast.

The 48 water supply forecast is based more on the water from the 49 than from the below. Interest is 50 in the ways to increase rainfall by man-made methods, and to get water from the winter snow on mountain 51. With special equipment, some scientists are studying the ways in which the mountain snow can be 52, and with the help of a repeater station, they send the 53 data(数据)to the base station. The operator at the base station can get the data at any time by   54 a button. In the near future, the forecast and use of water 55 probably depend on the advance knowledge of snow on mountains, not of water underground.

36. A. Using          B. Holding             C. Owning           D. Finding

37. A. dry                 B. distant          C. deserted          D. wild

38. A. fine                    B. beautiful     C. rich                 D. farming

39. A. unlawful      B. unacceptable      C. unpopular   D. uncommon

40. A. made           B. designed            C. signed               D. written

41. A. winners              B. settlers                 C. fighters           D. supporters

42. A. That            B. It                      C. What                D. As

43. A. plentiful       B. enough                 C. any                        D. much

44. A. type                   B. quality           C. amount           D. level

45. A. requests              B. requires                C. means                 D. suggests

46. A. effectively           B. easily  C. conveniently      D. actively

47. A. leading to            B. due to        C. owing to    D. according to

48. A. correct               B. further                 C. average           D. early

49. A. clouds                B. sky                      C. air                  D. above

50. A. raising                B. rising                C. building             D. lasting

51. A. rocks        B. tips                  C. tops                       D. trees

52. A. taken care of   B. made use of   C. piled up  D. saved up

53. A. picked         B. produced          C. used                 D. gathered

54. A. touching    B. knocking         C. pressing            D. turning

55. A. might        B. can                  C. will                      D. should

第二节：完形填空（共20小题；每小题1.5分，满分30分）

阅读下面短文，掌握其大意，然后从36－55各题所给的四个选项（A、B、C和D）中，选出最佳选项。

Many teachers believe that the responsibilities for learning lie in students. If a long reading assignment is given, instructors  36  students to be familiar with the  37  in the reading even if they don't discuss it in class or take an exam. The  38  student is considered to be  39  who is motivated to learn for the 40 of learning, not the one interested only in getting high grades. Sometimes homework is returned  41  brief written comments but without a grade. Even if a grade is not given, the student is  42  for learning the material assigned. When research is 43 , the professor expects the student to take it actively and to complete it with 44  guidance. It is the 45 responsibility to find books, magazines, and articles in the library. Professors do not have the time to explain 46 a university library works; they expect students, 47 graduate students, to be able to exhaust(用尽) the reference 48  in the library. Professors will help students who need it, but  49  that their students should not be 50 dependent on them. In the United States, professors have many other duties 51 teaching, such as administrative(管理的) or research work．52 , the time that a professor can spend with a student outside of class is 53 . If a student has problems with classroom work, the student should either 54 a professor during office hour 55 make an appointment.

36.   A.expect  B.make   C.hope    D.prepare

37.   A.suggestion   B.title     C.headline      D.information

38.   A.poor    B.ideal    C.common      D.disappointed

39.   A.such    B.one      C.any      D.some

40.   A.fun      B.work    C.sake     D.prize

41.   A.by       B.in C.for       D.with

42.   A.criticized     B.asked   C.responsible　      D.dismissed

43.   A.collected     B.distributed   C.assigned      D.finished

44.   A.maximum   B.minimum    C.possible       D.practical

45.   A.student's      B.professor's   C.assistant's     D.librarian's

46.   A.when   B.what    C.why     D.how

47.   A.particularly B.truly    C.obviously    D.rarely

48.   A.selections    B.collections   C.sources D.origins

49.   A.hate     B.dislike  C.like      D.prefer

50.   A.too      B.such     C.much   D.more

51.   A.but      B.except  C.with     D.besides

52.   A.However     B.Therefore    C.Furthermore       D.Otherwise

53.   A.plentiful      B.limited C.irregular      D.enough

54.   A.greet    B.annoy  C.approach     D.turn

55.   A.or B.and      C.to D.but