问题 单项选择题

下面对径流系数的描述正确的是()。

A.无量纲,小于1

B.有量纲,小于1

C.无量纲,大于1

D.有量纲,等于1

答案

参考答案:A

完形填空

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,从短文后所给各题的四个选项(A、B、C、D)中,选出能填入相应空白处的最佳选项,并在答题卡上将该项涂黑。

With golden sunshine and a gentle breeze, autumn is the most beautiful season in the year.This is a great time to go outside and have  36 .Go to a valley to see red maple trees, go and pick fruit in an orchard (果园) or find an open field to fly your kite in.

37  , for many high school students, these great activities may be just a/an  38 .With plenty of work to do, they spend all their hours indoors,  39 for a high mark in their exams.

40  , study is one of the most important things for teenagers. 41  life is definitely much more than that.

Sometimes we may be so  42  with studying that we forget how to make  43  wonderful.In doing so, we lose the  44  purpose of life—to be a valuable and happy person.

To  45  just how great it is to be alive, we have to  46  our books and pens and look around us.Students, take some exercise to  47  your health, take with your parents and friends for understanding and walk around outside your house to refresh your body and mind.

Going out and enjoying the beautiful countryside often helps our creativity in our work.Chinese craftsman Lu Ban created a saw to help woodworkers.But  48  he hadn’t walked  49  , he would not have been  50  by a kind of toothed grass.We could also suppose if Newton hadn’t rested under that apple tree, then he wouldn’t have been  51  by an apple, and his great theories would not have come out.

Going out is not only a/an  52  from hard work, but a chance to  53  to life experience.

So  54 , give your brain a good rest.Step out of the books and get our bag ready for an autumn outing.We are sure you will get much more than  55  from the exciting journey.

36.A.food             B.sunlight            C.fun               D.air

37.A.Also             B.Besides            C.However          D.Therefore

38.A.aim              B.dream            C.chance            D.effort

39.A.asking            B.putting            C.calling             D.struggling

40.A.In fact             B.As a result             C.In turn             D.Of course

41.A.So               B.But              C.Because           D.And

42.A.covered           B.reached            C.occupied           D.buried

43.A.clothes            B.heart              C.face              D.life

44.A.practical            B.foolish             C.real               D.idle

45.A.possess            B.enjoy             C.exploit             D.discover

46.A.take up            B.burn out           C.put down          D.sell out

47.A.raise              B.increase            C.improve           D.recover

48.A.whether           B.if                C.since              D.until

49.A.inside             B.home            C.outside            D.backward

50.A.touched           B.invited             C.inspired            D.suggested

51.A.met              B.hit                C.admitted           D.claimed

52.A.break             B.absence            C.movement        D.dedication

53.A.refer              B.turn              C.stick              D.add

54.A.come on          B.go on             C.step on            D.walk on

55.A.awareness          B.evidence           C.courage           D.knowledge

问答题 简答题