对实验室内所用的每种化学制品的废弃和安全处置应有()。A.简要记录 B.相互告知 C

题型:单项选择题

问题:

对实验室内所用的每种化学制品的废弃和安全处置应有()。

A.简要记录

B.相互告知

C.大概的记录

D.明确的书面程序

考点:生物学实验动物学实验动物学题库
题型:单项选择题

给对联 “   收复新疆千古流芳,  缔约马关万古遗臭” 加入恰当的历史人物(  )

A.左宗棠 伊藤博文

B.李鸿章 曾国藩

C.左宗棠 李鸿章

D.曾纪泽 伊藤博文

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As a boy, Sanders was much influenced by books about the sea, but by the age of fifteen he had decided to become a doctor rather than a sailor. His father was a doctor. So he was often with the doctors and got along very well with them. When he was fourteen, he was already hanging around the hospital where he was supposed to be helping to clean the medicine bottles, but was actually trying to listen to the doctors’ conversations with patients in the next room.

During the war Sanders served in the army as a surgeon(外科医生). “That was the happiest time of my life. I was dealing with real sufferers and on the whole making a success of my job.” In Rhodes he taught the country people simple facts about medicine. He saw himself as a life-saver. He had proved his skill to himself and had a firm belief that he could serve those who lived simply, and were dependent upon him. Thus, while in a position to tell them what to do he could feel he was serving them.

After the war, he married and set up a practice deep in the countryside, working under an old doctor who hated the sight of blood. This gave the younger man plenty of opportunities (机会) to go on working as a life-saver.

小题1:When he was a small boy, books about the sea had made Sanders want to be ___.

A.a surgeon

B.an army man

C.a sailor

D.a life-saver小题2:At the age of 14, Sanders ___.

A.worked as a doctor by cleaning the medicine bottles

B.met some doctors who were very friendly to him

C.was interested in talking with patients

D.remained together with the doctors小题3:Having proved his skill to himself, Sanders ___.

A.wanted to live a simple life like a countryman

B.came to realize that he was really working for his countrymen

C.taught himself life-saving

D.was highly respected by the old doctor小题4:When the war was over, he ___.

A.learned from an old doctor because he was popular

B.started to hate the sight of blood while working

C.served the countrymen under an old doctor who needed someone to help him

D.had few chances to be a “life-saver” because he was younger

题型:单项选择题

由于使用了高性能超声仪,明显提高了超声对________、___________、______、________等软组织及________、__________等组织结构和血流的显现力。

题型:单项选择题

塑料制眼镜架

题型:单项选择题

氢能取自于()。

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