惟一不需要采集血液的自身输血是（）。 A.储存式 B.急性等容性稀释式 C.急性非等

阅读理解。

     Sam is a little boy. He is only seven years old. One day, he goes to a cinema. It's the first time for him

to go there. He buys a ticket and goes in. But after two or three minutes he comes out and buys a second

ticket. Two or three minutes after that, he comes out and asks for another ticket. The girl selling tickets asks

him. "Why do you buy so many tickets? How many friends do you meet?" "No, I have no friend here, but an

old woman always stops me at the door and cuts my ticket up!"

1. Sam is ________.

A. a boy of seven

B. a man

C. a student of a middle school

D. eight years old

2. Sam ________ goes to the cinema. This is the first time.

A. often

B. usually

C. sometimes

D. never

3. Before the girl asks Sam why he needs so many tickets, Sam buys ________.

A. one ticket

B. two tickets

C. three tickets

D. four tickets

4. Sam meets ________ friend(s) that day.

A. some

B. three

C. two

D. no

5. The old woman is a ________ in the cinema.

A. teacher

B. driver

C. worker

D. spaceman

给下列多音字组词。

挑 tiāo (      ) tiǎo (      )     夹jiā (      ) jiá (       )

兴xīng (     ) xìng (      )     吓xià(      ) hè(       )

喝   hē (     )    hè (      )    劲jìn (      )jìng(      )

乳牙龋药物治疗时，具有腐蚀性的药物是（）

A.2％氟化钠

B.8％氟化钠

C.10％酸性氟磷酸

D.38％氟化氨银

E.8％氟化亚锡溶液

《农村气象信息服务站建设规范》中指出，要充分考虑到各地的经济社会发展水平，尽可能地选择有条件的农村示范推进，真正做到（）。

A.试点先行

B.循序渐进

C.以点带面

D.全面推广

E.科学有效

制定车间检修项目明细，形成仪表系统（）。

A.检修项目明细及检修一览表

B.检修项目明细

C.检修一览表

D.方案