北方某房间有一面西外墙和西外窗，经计算，西外墙的基本耗热量为1 200W，西外窗的基

下列的成语、俗语在一定程度上反映了人类对自然界的认识，其中从物理学的角度分析正确的是 [ ]

A．“一叶障目”说明光能发生衍射现象

B． “破镜难圆”说明分子间存在斥力

C．“酒香四溢”说明分子在不停地运动

D．“随波逐流”说明在波的传播过程中质点将沿波速方向随波迁移

“造烛为照明，求知为运用。学而不用，如同耕地不播种，终无收获。”这句话告诉我们

A意识能够促进客观事物发展  B认识具有目的性和预见性

C直接经验比间接经验更重要  D实践是认识的最终目的

JZ-7型制动机将手柄置于需要减压的位置，待减压后即自动（）。

A、充风

B、保压

C、停车

D、缓解

It was pouring outside. We all stood there  16 , some patiently, others annoyed  17  nature messed up their hurried day. I got lost in the sound and sight of the heavens  18  away the dirt and dust of the world.

“Mom, let’s run through the rain.” a girl’s voice  19 me.

“No, honey. We’ll wait until it  20  down a bit.” Mom replied.

The young girl waited about another minute and  21 : “Mom, let’s run through the rain.”

“We’ll get wet if we do,” Mom said.

“No. we won’t, Mom. That’s not what you said this morning,” the young girl said as she  22  her Mom’s arm.

“This morning?  23 __ did I say we could run through the rain and not get wet?”

“Don’t you remember? When you were talking to Daddy about his cancer, you said, ‘If God can get us through this, he can get us through  24 .’”

The entire crowd turned   25 . Mom paused and thought for a moment about  26  she would say.

Now some would laugh it off and scold her for being  27 . But then we heard, “Honey, you are  28 . Let’s run through the rain. If we get wet, maybe we just need washing,” Mom said. Then  29  they ran.

We all stood  30__ , smiling and laughing as they ran past the cars. Yes, they got wet. But they were  31  by a few who screamed and laughed like children all the  32  to their cars. Circumstances or people can take away your material possessions, and they can even take away your  33  . But no one can ever take away your precious  34 . So, don’t forget to make time and take the  35  to make memories every day! I hope you still take the time to run though the rain.

16. A. talking                   B. waiting             C. complaining          D. expecting

17. A. as if                B. even if            C. because            D. when

18. A. taking              B. putting           C. driving            D. washing

19. A. caught             B. annoyed          C. impressed          D. called

20. A. slows              B. comes              C. pushes             D. stops

21. A. asked              B. repeated           C. required           D. added

22. A. pulled              B. touched          C. waved             D. felt

23. A. Why               B. How               C. When             D. Where

24. A. the rain            B. the disease      C. anything          D. something

25. A. still                B. silent             C. serious             D. angry

26. A. what              B. how                      C. whether            D. if

27. A. dishonest           B. silly                      C. daring             D. forgetful

28. A. right               B. wrong            C. stupid            D. clever

29. A. off                B. along             C. on                D. over

30. A. sighing             B. joking             C. discussing         D. watching

31. A. followed           B. guided                 C. respected           D. praised

32. A. time                     B. way                C. same               D. best

33. A. house              B. money            C. health            D. time

34. A. children            B. memories        C. courage           D. experience

35. A. possibilities         B. opportunities   C. risk              D. challenge

如果旅行社无法提供散客委托的旅游项目，应在（）小时内通知外地委托旅行社。

A.8

B.24

C.48

D.72