同轴回路中,下列哪项是对的() A.Lack回路是MaplesonA系统的改良型 B

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问题:

同轴回路中,下列哪项是对的()

A.Lack回路是MaplesonA系统的改良型

B.Bain回路是MaplesonD系统的改良型

C.Bain回路和Lack回路的内管是呼气管,外管是吸气管

D.Bain回路的内管是吸气管,外管是呼气管

E.更适于需麻醉操作远离病人的头颈部手术

考点:广东住院医师麻醉学静吸全麻及复合全麻静吸全麻及复合全麻题库
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One day Tom borrowed a pot(罐) from his neighbour, Ali. The next day he brought it back with another little pot inside.

“That’s not mine,” said Ali.

“Yes, it is.” said Tom, “While your pot was staying with me, it had a baby.”

Some time later, Tom asked Ali to lend him a pot again. Ali said yes, hoping that he would once again get two pots in return. However, days passed and Tom still did not give the pot back. Finally Ali was angry and went to ask for it.

“I am sorry,” said Tom, “I can’t give it back to you because it died.”

“Died!” cried Ali, “How can a pot die?”

“Well,” said Tom, “you believed me when I told you that your pot had a baby.”

小题1:Who was the owner of the pot?

A.Tom.

B.Tom and Ali.

C.The baby.

D.Ali.小题2:How many times did Tom borrow the pot?

A.Once.

B.Twice.

C.Three time.

D.Some times.小题3:Why was the neighbor happy to lend his pot a second time?

A.Because he wanted to get more.

B.Because he was a good neighbour.

C.Because he had lots of pots.

D.Because he likes to help others.小题4: What maybe happened to the pot at last?

A.It died.

B.The neighbour took it back.

C.It was lost. .

D.Somebody else bought it from Tom.

题型:多项选择题

下列物质中,只含有离子键的是

A.HCl

B.CaCl2

C.NH4Cl

D.NaOH

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DNA变性时其结构变化正确的是()

A.磷酸二酯键断裂

B.N-C糖苷键断裂

C.戊糖内C-C键断裂

D.碱基内C-C键断裂

E.对应碱基间氢键断裂

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张艺谋电影《英雄》中秦始皇是哪位内地男演员扮演的?

题型:多项选择题

“中心观”是中国文化的()。

A、基础

B、核心

C、特点

D、总结

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