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问题 选择题

下列关于物质的量的叙述中，错误的是（     ）

A．1mol任何物质都含有6.02×1023个分子

B．0.012kg12C中含有约6.02×1023个碳原子

C．1molH2O中含有2mol氢和1mol氧

D．1molNH3中含有4mol原子

答案

AC

填空题

阅读短文，从方框中选出适当的词，并用其适当形式填空。有的需要加助动词或不定式符号。（每词限用一次）

Do you know how the song Happy Birthday was invented? A poor girl was invited to her friends birthday party. She 小题1:   happy but a little sad because she didn't have enough money小题2:     a gift. "The party is in a few days. What shall I do?" The night before the party, her grandma said, "Don't worry, I think I can help you. How about singing a song? Happy birthday to......" What a beautiful song! Suddenly she 小题3:  up. It was a  dream! She decided小题4:  it down at once and sing it to her friend at the party. When she sang the song at the party the next day, her friend was very happy. "Thank you for小题5: me such a special gift." Then all of the kids learned to sing it together.
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单项选择题

下列哪项不是全麻期间体温升高的因素（）

A.室温超过28℃，且湿度高

B.麻醉前用药给阿托品量大

C.开颅手术在海马区附近操作

D.输血反应

E.与采用循环紧闭法麻醉有关
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