为了维持药物的良好疗效，应（）A．增加给药次数 B．减少给药次数 C．增加药物剂量

One day a boy was walking along the street. Suddenly he stopped and looked up into the sky.A young man passed by him.When he saw the boy,he felt curious and look up,too.Just then a girl came up and saw them.”Is there anything in the sky?”She thought and looked up,too. After a while there were quite some people. They were interested in the clear and blue sky.Suddenly the boy asked ,”Hey,what are you looking up at?” “that is what we are going to ask you,”said the young man.”You want to ask me ?But I wasn’t looking at anything,” the boy said.”I raised my head up because my nose bled(流血)。

小题1:Whose nose was bleeding?

A. The boy’s.      B. The young man’s .     C. The girl’s.

小题2:The underlined phrase “felt curious” may mean________in Chinese.

A. 感到恶心     B. 感到抱歉    C. 感到好奇

小题3:Was the boy looking up into the sky?

A. Yes ,he is.        B. No ,he wasn’t.        C. I don’t know.

小题4:Why did the girl look up into the sky?

A,Because she thought the young man enjoined the blue sky .

B.Because she thought there was something wrong into the sky.

C. Because she thought there was something strange in the sky.

小题5:From the story we can see______           .

A.The sky must be the most beautiful that day.

B.The boy was surprised why so many people were looking up into the sky.

C.There must be something interesting in the sky.

—Let's play computer games.

—_______. [ ]

A. It doesn't matter

B. No, I don't

C. That sounds really boring

D. It's nothing

心智技能的形成通常经历原型定向、 和原型内化三阶段。

电阻串联后，总电阻减小，并小于其中任何一个电阻。

隔离层常用( )等施工，其主要作用是使结构层和防水层互不制约，防止防水层开裂。

A．高等级砂浆

B．低筋灰

C．麻筋灰

D．干铺卷材

E．塑料薄膜