对脊髓的叙述，正确的是() A．脊髓圆锥平第3腰椎体 B．附着7对颈神经根 C．在第

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     Good morning,everyone.My topic(话题)for today is "How Americans Value(重视) Time".

     Americans think a lot about time.From childhood(童年)they learn to value time.As children,

parents teach them to be on time to go to school,to do work and to do everything.When they are

having a good time,they say that time flies.When a person is dying(死亡),they say he is living on

(靠……生活)borrowed time.

      Time is money.Time is knowledge.Time is everything in America.A working American has to

work hard for 8 hours a day or 40 hours a week.This is the working time.In his spare time,he also

works hard for money.Even Saturday and Sunday are filled with(用……装满)other things.In the

street you can hardly see a man who walks slowly.They walk very fast.In fact,they are running.

     When you ask Americans why they are in a hurry(匆忙)all the time,they will probably say,

"Time is money."

根据文章内容填空。

1.Americans start to value time when they are __________________________.

2.American parents tell their children to ________________ when they go to school.

3.Americans say ________________ when they are happy.

4.Americans are hard-working,aren't they? __________________,________________.

5."Time is money." is a proverb(谚语,格言).Please write out two more proverbs:one is from

this article;and the other mustn't be included(包含,包括)in this passage(文章).

__________________________________________________________________

我们要养成遵守交通规则的习惯，也要劝导家人不要违规。

口头医嘱的正确处理方式是（）。

A.任何时候只执行书面医嘱

B.任何情况均应执行口头医嘱

C.对错误的口头医嘱不可有疑议

D.抢救时，护士不需复述便可执行口头医嘱

E.抢救完毕，应在6h内请医师补写医嘱

量得设计图中表示道路的长为12cm，而实际长为24m，那么该图纸比例（）。

A、1：100

B、1：200

C、1：500

D、1：1000

货车轴身裂纹一般在旋修后会加旋（）mm。