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问题 单项选择题

5％葡萄糖注射液的pH在3.2～5.5之间，那么[H+]最高的制剂与[H+]最低的制剂之间，[H+]相差的倍数

A．100倍

B．200倍

C．300倍

D．400倍

E．600倍

答案

参考答案：B

完形填空

One day, Nick invited his friends to supper. He was cooking some delicious food in the kitchen.Suddenly, he 小题1:________ (find)that he had run out of salt. So Nick called to his son，“Go to the village and buy some salt，but pay a fair price for it: neither too much 小题2:________ too little.”

His son looked surprised.“I can understand why I shouldn't pay too much，Father，but if I can pay less, 小题3:________ not save a bit of money？”

“That would be a very 小题4:________(reason)thing to do in a big city，but it could destroy a small village like ours，”Nick said.

Nick's guests, 小题5:________ had heard their conversation, asked why they should not buy salt more cheaply if they could. Nick replied，“The only reason a man would sell salt 小题6:________ a lower price would be because he was desperate for money.And anyone who took advantage of that situation would be showing a lack of respect 小题7:________ the sweat and struggle of the man who worked very hard to produce it.”

“But such a small thing couldn't 小题8:________ (possible) destroy a village.”

“In the beginning, there was only 小题9:________ very small amount of unfairness in the world，but everyone added a little，always 小题10:________ (think) that it was only small and not very important，and look where we have ended up today.”
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单项选择题 A3/A4型题

女性，53岁。左乳腺癌手术后化学治疗中。5天前起咳嗽，痰少，颜色不黄。渐有发热，体温最高38.5℃，伴畏寒。血白细胞计数2.8×109/L，X线胸部摄片示右中下肺野大片模糊阴影，并见不规则透亮区，伴右侧少量胸腔积液。

本例经验抗菌治疗宜采用（）

A.第三代头孢菌素联合氨基糖苷类

B.大剂量青霉素联合庆大霉素

C.大剂量青霉素联合甲硝唑

D.万古霉素

E.亚胺培南
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