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问题 问答题 简答题

简述如何减轻疲劳、防止过劳。

答案

参考答案：

1）提高作业机械化和自动化程度；2）加强科学管理改进工作制度；3）合理安排工作时间及休息时间；4）多种休息方式；5）轮班工作制度；6）业余活动和休息的安排

改错题

短文改错

     As student of your age, I understand your situation. That you are facing is common

among teenagers. However, it should be wise not to do anything may hurt her feelings.

Here are a few suggestion. First, it's advisable to talk most with your mom. Heart to

heart talks helped you understand each other better. There are also opportunities to let

her knowing your ideas and attitudes toward many things. Second, you should learn to

do our own things well, proving to your mom that you are already a "grownup". It's even

the better whether you share more in the housework, such as cleaning, washing and cooking.

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单项选择题

细菌对磺胺产生耐药性的主要原因是

A．产生了水解酶
B．产生了钝化酶
C．细胞膜通透性改变
D．改变代谢途径
E．核糖体结构改变
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