在后张法预应力筋的加工和张拉中，若无设计规定，张拉伸长率需控制在( )范围内。 A

  --- It’s cloudy outside. Please take an umbrella.

--- ________.

A．Ok, it’s a deal.

B．Well, it just depends.

C．Ok, just in case.

D．All right, just for fun.

下列方法，能使海水淡化的是（　　）

A．将海水过滤

B．将海水蒸馏

C．往海水中加入活性炭

D．往海水中加入明矾

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,选出可以填入空白处的最佳选项.

The Spring Festival marks the first day of a new year, so the first meal is rather important. People from the North and the South have different   36   about the foods they eat on this  37   day. In Northern China, people   38   eat Jiaozi. The word Jiaozi in Chinese means the   39   and the beginning of time. According to historical   40  , in the past people from the North and the South both ate Jiaozi on Chinese New Year’s Day. Perhaps  41  the areas in Southern China   42   more rice than those in Northern China, southern people slowly  43  to eat many other kinds of food on New Year’s Day.   44   , the most common foods for the first   45   are noodles, New Year Cake and Tangyuan. The noodle  46  long life. The New Year Cake is called Niangao in Chinese, which   47   the hope of improvement in   48   year after year. Tangyuan is a symbol of   49    according to the Chinese.

To  50   a New Year visit to relatives and friends is an important activity during the Spring Festival. People also send cards to   51    a New Year’s greeting. What children love most is to set off firecrackers.   52   , as the pace of life is becoming faster and faster, people have   53   new ways to celebrate the Chinese traditional New Year. For example, many people no longer send out greeting cards.   54   , they use short messages or emails. Also to travel during the New Year holidays has come into   55   .

36. A. word            B. habits                C. meanings          D. stories

37. A. usual          B. unforgettable             C. common            D. special

38.A. seldom         B. usually               C. always              D. hardly

39. A. end             B. future              C. result             D. effect

40. A. reasons        B. records              C. notes              D. stories

41. A. as long as      B. though             C. when            D. because

42. A. caused          B. took                 C. produced           D. brought

43. A. understood     B. knew            C. made                D. began

44. A. Besides            B. Therefore             C. Consequently         D. Usually

45. A. subject          B. title              C. program           D. meal

46. A. symbolizes         B. reveals            C. shows              D. indicates

47. A. transports       B. represents          C. fetches                     D. takes

48. A. health          B. family             C. life              D. work

49. A. reunion        B. luck                   C. happiness          D. harmony

50. A. do            B. pay               C. get              D. carry

51.A. express              B. describe                 C. establish            D. define

52. A. Luckily         B. Unfortunately       C. However                  D. Besides

53. A. given away     B. made out           C. got into           D. taken up

54. A. Instead         B. Fortunately          C. Moreover         D. Furthermore

55.A. fashion          B. effect                       C. sight             D. power

已知一种c（H⁺）=1×10^—3mol/L的酸溶液和一种c（OH^—）=1×10^—3mol/L的碱溶液等体积混合后溶液呈酸性，其原因可能是

A．碱过量，没有全部参加反应

B．等浓度的一元强酸和一元弱碱溶液反应

C．等浓度的一元弱酸和一元强碱混合

D．浓的弱酸和稀的强碱溶液反应

“养蚕酿酒、种瓜栽豆，起使于商代；播种施肥、深耕细作，普及于战国；纳租赋税、强本抑末，倡导于早秦；镰斧犁铧、锹铲锄耙，初见于西汉。几千年来，农民世代相传的各种生产要素和耕作方式，基本上没有发生根本性的变化和突破性的进展。”这段话主要为了表明（）。

A.我国养蚕、酿酒、种瓜、栽豆的历史悠久

B.我国的赋税思想和实践源远流长

C.我国的小农经济生产方式下，农业生产技术发展缓慢或停滞不前

D.我国古代的生产工具先进