_____ a very cold evening, a traffic acc

题型:选择题

问题:

_____ a very cold evening, a traffic accident happened.        [ ]

A. In

B. On

C. At

考点:介词
题型:选择题

阅读理解。

     We each have a memory. That's why we can still remember things after a long time. Some people

have very good memories and they  can easily  learn many  things by heart, but some people can only

remember things when they say or do them again and again. Many of the great men of the world have

got surprising memories.

     A good memory is a great help in learning a language. Everybody learns his mother language when

he is a small child. He hears the sounds, remembers them and  then he learns to speak. Some children

are living with their parents in foreign countries. They can learn two languages as easily as one because

they hear, remember and speak two languages every day. In school it is not so easy to learn a foreign

language because the pupils have so little time for it, and they are busy with other subjects, too.

     But your memory will become better and better when you do more and more exercises.

1.Some people can easily learn many things by heart because .

A.they always sleep very well

B.they often eat good food

C.they read a lot of books

D.they have very good memories

2.Everybody learns his mother language .

A.at the age of six

B.when he is a small child

C.after he goes to school

D.when he can read and write

3.Before a child can speak, he must .

A.read and write

B.make sentences

C.hear and remember the sounds

D.think hard

4.In school the pupils can't learn a foreign language well because .

A.they have no good memories

B.they have no recorders

C.they have too much time for it

D.they are busy with other subjects

5.Your memory will become better and better .

A.if you have plenty of good food

B.if you do more and more exercises

C.if you do morning exercises every day

D.if you get up early

题型:选择题

女性,9岁,寒战,高热,咳脓痰2天。查体:体温39.2℃,左肺闻及湿性啰音,X线胸片显示:左肺下叶大片致密阴影,给予抗生素治疗。2天后症状加重,胸痛并呼吸困难,左胸呼吸音降低,胸片示左胸胸腔积液。目前考虑为()

A.重症肺炎

B.肺炎合并肺脓肿

C.肺炎合并急性脓胸

D.肺炎合并反应性胸膜腔积液

E.结核性渗出性胸腔积液

题型:选择题

卵巢功能早衰时哪种激素持续增高()
闭经溢乳综合征哪种激素增高()

A.FSH

B.LH-RH

C.HCG

D.LH

E.PRL

题型:选择题

当正驾驶驾驶盘出现卡阻时()

A.可以操纵副驾驶驾驶盘

B.副翼转换机构将起作用

C.A&B

D.以上都不对

题型:选择题

有一种原则是对信息进行均衡、全面的防护,提高整个系统的“安全最低点”的安 全性能,该原则称为______。

A.木桶原则

B.整体原则

C.等级性原则

D.动态化原则

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