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问题 单项选择题

HSV-1最常见的感染部位为（）

A.口腔和呼吸道

B.口腔和唇

C.胃肠道

D. * *

E.角膜

答案

参考答案：B

解析：本题主要考查HSV-1常见感染部位。其最常见感染部位为口腔和唇，但也可侵犯其他任何器官。

阅读理解

看图完成故事，每空一词。

      Last night Mr. West ___________ (have) a big dinner and ___________ (drink) a lot of Coke. He watched

TV and then ___________ (go) to bed. At midnight he ___________ (hear) a noise at the door. He opened the

door and ___________ (see) a monster. The monster ___________ (be) hungry. It didn't like meat or fish. It

liked eating chairs, tables and clothes. At first Mr. West didn't know what to do but then he opened the window and ___________ (jump) out of it. He hurt his head and ___________ (break) his leg. Suddenly he __________ 

(wake) up. He wasn't on his bed. He was on the floor. He had a headache but he was happy. The monster 

___________ (be not) there. It was only a bad dream.

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选择题

6.4 g铜与足量的浓硝酸反应(假设硝酸的还原产物只有一种)，生成的气体被饱和的氢氧化钠溶液完全吸收，生成NaNO3和NaNO2，则亚硝酸钠的物质的量为 [ ]

A．0.2mol

B．0.3mol

C．0.1mol

D．0.5mol

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