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问题 选择题

下列物质混合后不能发生离子反应的是（　　）

A．氯化钠液与硝酸钾液

B．硫酸与烧碱液

C．铜绿与盐酸

D．硫酸铜液与铁钉

答案

A．氯化钠液与硝酸钾溶液混合后不会发生反应，故A选；

B．硫酸与烧碱溶液反应生成水，故B不选；

C．铜绿就是碱式碳酸铜，与盐酸反应生成氯化铜，二氧化碳和水，故C不选；

D．硫酸铜液与铁钉中铁与铜离子反应生成铜单质，故D不选．

故选A．

单项选择题

依据有关司法解释，生产、销售假药应认定为刑法第一百四十一条规定的“足以严重危害人体健康”的情况是（）。

A.生产、销售的假药被使用后，使人造成轻伤、重伤的

B.生产、销售的假药经法定药品检验机构鉴定，含有超标准的有毒有害物质的

C.生产、销售的假药使用后，致人重度残疾的

D.生产、销售的假药被使用后，使三人以上重伤，十人以上轻伤的

E.生产、销售的假药被使用后，致人死亡的（2004年考试真题）
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单项选择题

B


Uncle Li and Uncle Wang are good friends. They live next to each other and their farms are both at the foot of the mountain. So they can help each other. But neither of them likes to use his head. They’re both poor though they work hard. Most villagers have built new houses, but they still live in the low and broken houses. They never find out why.
Once Uncle Li went to the town to buy some medicine for his wife. In the town he heard the apples in a city were expensive. He told Uncle Wang about it as soon as he went back. They decided to carry some apples to the city. They borrowed some money from their friends and bought nearly 1000 kilograms of apples in the villages and carried them to the city on a tractor. Bad luck! A lot of apples has already been carried there when they arrived. A few days later they had to sell them at a low price. They felt unhappy and returned to their village.
"I can’t understand why we sustained (蒙受) losses in business while others always profit (赢利)" Uncle Li asked one day.
"The tractor was too small " Uncle Wang said without thinking. "We’ll carry more apples on a truck next time !"
"I agree!" said Uncle Li. "How foolish we were!\

Which of the following is TRUE ( )

A．The two farmers found out why they were poor.

B．The two farmers will soon get rich.

C．Neither of the farmers is clever.

D．The two farmers decided to buy a truck.
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