问题 问答题

某工程填土经室内击实试验,得到含水率和干密度见表,试绘制击实曲线,并求最大干密度和最优含水率。

答案

参考答案:

根据不同含水率所对应的干密度可绘制击实曲线见图,由曲线峰值点对应的纵坐标为最大干密度ρdmax=1.53g/cm3,ρdmax对应的横坐标为最优含水率wop=23.6%。

完形填空

二、完形填空(20%)

Living one’s life is really like driving on a highway. First, to make a good driving, the driver must carefully examine the  31   of his car, just as he cares for his health for a good life.   32   he enters into the highway, he must   33   certain rules for his own safety. It also can be said that he must obey certain rules of society when living as a decent (体面的) adult. For example, on the highway, he is   34   to keep a constant (不断的)  35  , which can be compared with his  36   activities through his life. Neither driving nor living must be taken at too  37   a speed nor at too slow a speed. If he drives too  38  , the police will give him a  39  , just as he will be arrested when he breaks the law.   40   too conservatively (保守地), he will be called an out-of-date person   41   the others driving at a(an)   42   speed. When he wants to change his lanes, he must give careful   43   to every direction of his car. It is sometimes dangerous to change the way of life   44   he can be sure of completion (完成,结束) by doing so. He  45   not make any unnecessary changing of lanes(车道)which gives him only danger. Finally, he must  46   where he is now by recognizing some 47   appearing now and then. If he takes the wrong way, he must return to the right as soon as he can. But he may thus lose  48   and energy both on the road and in life. On the whole, driving on a highway and living one’s life are both hard work.  49   if he is careful and serious enough,   50   will provide him with much pleasure.

31.  A. seats       B. condition       C. petrol     D. passengers

32.   A. Once        B. While        C. For         D. Although

33.   A. listen to       B. find           C. follow    D. insist on

34.   A. ordered        B. supposed        C. believed         D. hoped

35.   A. state        B. speed         C. mind      D. level

36.   A. outdoor        B. broken              C. good       D. continuous

37.   A. large        B. high          C. limited    D. expected

38.   A. speedily       B. slowly       C. Hurriedly  D. willingly

39.   A. ticket       B. lift                C. chance    D. hand

40.   A. Acting            B. Running         C. Getting    D. Working

41.   A. persuading    B. getting       C. Bothering  D. refusing

42.   A. average        B. normal       C. usual      D. fast

43.   A. notice       B. attention        C. signs       D. regards

44.   A. if                B. when         C. unless     D. because

45.   A. dare         B. need          C. may        D. should

46.   A. think       B. discover         C. prove      D. seem

47.   A. signs        B. signals       C. posters    D. symbols

48.   A. money            B. luck           C. time       D. trust

49.   A. Therefore     B. But            C. And        D. Then

50.   A. it           B. he           C. they       D. You

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