抗生素中第一个应用于临床的是() A.青霉素 B.氯霉素 C.链霉素 D.多黏菌素B

题型:单项选择题

问题:

抗生素中第一个应用于临床的是()

A.青霉素

B.氯霉素

C.链霉素

D.多黏菌素B

E.霉素

考点:传染病学(医学高级)医学高级(传染病学)仿真试题二
题型:单项选择题

花生是人们常吃的一种食品。花生果壳内的种子(即花生仁)有大有小,颜色也有深红、浅红之分,这与其品种及种植的土壤有关,请回答: 

(1)花生的种子是由花的__________发育来的。

(2)花生仁富含脂肪和蛋白质,其中的______________可以为人的生长发育及受损细胞的修复和更新提供重要原料。

(3)根据花生的结构可以判断花生属于__________(裸子/被子)植物。

(4)如果将大花生种植在贫瘠的土壤中,结出小花生,这种单纯由环境引起的变异__________(能/不能)遗传给后代。

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下列属于委托代理终止的情形是( )。

A.被代理人或代理人死亡

B.代理人丧失民事行为能力

C.代理人死亡或丧失民事行为能力

D.由于其他原因引起的被代理人和代理人之间的监护关系消灭

题型:单项选择题

White was the owner of a private school in a town. Last year, he married one of his classmates.The beautiful woman spent much time in learning nothing during middle school.   But she wasn't worried about anything in the future, because her parents were very rich and could provide her with everything.So he could make poor Mr White listen to her. Mr White was busy in dealing with school affairs and his wife had to stay at home alone.But she hated the lonely and boring life.Her father introduced her to some businessmen who wanted to employ her .But she wanted to stay with children.So her husband was asked to allow her to work in his school.At first her husband didn't agree with her. She didn't supply money to him any more, so the poor man had to give in.Otherwise , his school would shut down for lack of her money. The woman could not teach students, because she knew neither maths nor physics.She thought she often played in the zoo,so she decided to teach biology.But she didn't know how to teach the subject at all.She thought hard, and finally she decided to bring the students to the zoo.

Pointing to a crocodile, she shouted ,”Look at it carefully! It’s a whale!”

“Excuse me ,madam,” said a student.   “It’s a crocodile!”

“Shut up!” Mr White said angrily.   “It’s a whale!”

小题1:Why did Mr White have to employ Mrs White as a teacher ?

A.Because his school would shut down without her money.

B.Because Mrs White learned many things during school time.

C.Because no businessman wanted to employ Mrs White.

D.Because Mrs White knew something about biology.小题2:Which of the following is not true about Mrs White?

A.She was the daughter of a rich man.

B.She often went to the zoo to study animals.

C.She knew nothing about the subject of biology.

D.She was one of Mrs White’s classmates.小题3:What happened when Mrs White brought her students to the zoo?

A.The students didn't know whales and crocodiles.

B.Mrs White taught the right animals to her students.

C.A whale came up to the bank to have a breath.

D.Mrs White mistook a crocodile for a whale.小题4:Why didn't Mr White agree to accept his wife as a teacher?

A.Because he wanted to change his fate of listening to his wife.

B.Because he knew his wife could not be a good teacher.

C.Because his wife liked being at home.

D.Because his wife only knew something about maths and physics.

题型:单项选择题

简述电视编导的工作流程。

题型:单项选择题

驾驶机动车车辆前()

A、准许少量饮酒

B、准饮用啤酒

C、准饮用米酒

D、不准饮酒

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