关于耳源性脑脓肿正确的是：（）A．是化脓性中耳乳突炎并发脑组织白质内局限性积脓 B．

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第二节完型填空（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，并在答题卡上将该项涂黑。

Stephen Glenn is a famous scientist who has made several medical breakthroughs. When   36   why he was so much more   37   than the average person, he replied that it all came from an experience   38   his mom.

At 2, he was trying to   39   a bottle of milk from the refrigerator when he   40   his hold on the slippery bottle and it fell, spilling (洒) its contents all over the kitchen floor! When his mom came in, instead of shouting at him or   41   him a lesson, she said, “Robert, what a great mess you’ve made! I’ve   42   seen such a sea of milk. Well, now that the   43   has been done, would you please get down and   44   in the milk for a while   45   we clean it up?”

So happily he did. After that, his mom said, “Robert, whenever you make such a mess like this, you’ll have to clean it up and restore (恢复) everything to its proper   46  . So which do you prefer, a sponge, towel or mop?” He   47   the sponge and tighter they cleaned up the milk. His mom then said, “Robert, you’ve just had a   48   experiment how to carry a big milk bottle   49   with two tiny hands. Now go to the sink to fill the bottle with   50   and see if you can discover a way to carry it safely.” Instantly Robert learned that he could   51   it if he grasped the bottle at the   52  near the lip with both hands.

53  wonderful a lesson! The famous scientist then remarked it was then and there that he came to know that   54   were just opportunities for learning something new, which is what scientific experiments are all about.

Wouldn’t in be great if all parents could react the way Robert’s mom did to   55  ?

36．A．puzzled       B．explained  C．asked     D．wondered

37．A．creative       B．diligent     C．cautious    D．aggressive

38．A．beyond        B．with     C．about     D．from

39．A．deliver        B．remove     C．bring     D．make

40．A．dismissed     B．tightened  C．caught      D．lost

41．A．teaching      B．punishing  C．directing   D．taking

42．A．sometimes          B．always      C．rarely          D．mostly

43．A．experiment      B．damage     C．work     D．favor

44．A．drink         B．gather       C．swim     D．play

45．A．after         B．when     C．before      D．once

46．A．situation      B．model       C．order     D．size

47．A．chose              B．used     C．liked     D．saw

48．A．useless         B．funny       C．valid     D．failed

49．A．effectively          B．heavily     C．strongly    D．luckily

50．A．milk         B．water     C．sand     D．stones

51．A．complete     B．try       C．make     D．get

52．A．bottom        B．cover     C．outside     D．top

53．A．How         B．Too      C．Very     D．What

54．A．tests         B．mistakes   C．exercises   D．achievements

55．A．it             B．them     C．her       D．him

经济学上有个古老的原理叫“劣币驱逐良币”，说的在是在铸币时代，当那些低于法定重量或者成色的铸币——“劣币”进入流通领域之后，人们就倾向于将那些足值货币一一“良币”收藏起来。结果，市面上良币越来越少，劣币越来越多。劣币之所以能驱逐良币，是因为（）①作为流通手段的货币，不一定是足值的货币②货币是衡量商品价值的内在尺度③交易双方对货币的成色或者真伪不十分了解④劣币本身也是一种商品，也具有价值

A.①③

B.②③

C.②④

D.①④

李某，男，56岁，哮喘多年，劳累后哮喘易发，平素息促气短，呼多吸少，动则为甚，形瘦，神疲，心悸，腰酸腿软，脑转耳鸣，舌淡红少苔，脉细数。其治疗宜首选（）

A．射干麻黄汤 

B．定喘汤 

C．六君子汤 

D．玉屏风散 

E．肾气丸

高摩合成闸瓦则用在较高速度的车辆上，但高摩合成闸瓦不能与（）互相换用。