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问题 单项选择题 A1/A2型题

下列物质可与氯己定起到协同杀菌作用的是（）

A.磷酸盐

B.柠檬酸盐

C.碳酸盐

D.氯化物

E.微波

答案

参考答案：E

解析：氯己定在上述四种物质中溶解性低，会发生沉淀，影响消毒效果。而与紫外线和微波等物理因素有协同杀菌作用。

单项选择题 A1型题

在人体试验中下列做法不合乎伦理的是（）

A.死亡者家属有权获得赔偿

B.参加试验因意外损伤者有权获得公平的赔偿

C.可预见的不良反应不在赔偿之列

D.研究者应将有关信息向伦理委员会提供以供审查，如果来不及报告，可以补审

E.试验进行中的有关信息需向伦理委员会报告
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阅读理解

When you come to Japan, you need to learn some rules for eating. They aren't difficult to learn.

If you eat something with the Japanese, you can hear them say "itadaki-masu". This is to show thanks for the food they eat and to the person who made the food. You can also hear the Japanese say "gochiso-sama" when they finish eating. This is also to show thanks and to say the dishes (菜) are good. They start to eat only when everybody is seated (就座) at the table. They usually have a conversation at meals, but they don't speak while they are eating.

Remember the rules and they can help you. You should also remember that it's good to eat every dish.

根据以上短文内容，判断下列句子正（T）误（F）.

(      ) 1. The Japanese say "itadaki-masu" to show the dishes are delicious.

(      ) 2. The Japanese usually say "gochiso-sama" before the meal.

(      ) 3. The Japanese usually start to eat after everybody sits at the table.

(      ) 4. The Japanese usually don't talk to another person during the meal.

(      ) 5. Eating every dish is bad when you eat in a Japanese home.
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