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问题 单项选择题

欲配制0.0500mol/L标准溶液，由计算器算得的乘法结果为12.054471，按有效数字运算规则应将结果修约为（）。

A、12.1

B、12.0

C、12.05

D、12.054

答案

参考答案：A

听力题

阅读下面短文，请根据所给中文正确拼写单词，使短文意思完整。每空限填一词。(10分)

David正在做英语老师布置的作业,在班级主页的论坛上发表自己的有关健康的帖子,但是一些刚学过的英语单词忘了，请你根据所给中文提示正确拼写单词，使他的短文意思完整正确。

How important keeping healthy to everyone is！There are many __小题1: (方法) to keep healthy.

Food is very important to everyone’s health. Healthy food may keep you healthy, but unhealthy food may cause some 小题2:(问题)of your body. We should eat more _小题3:(蔬菜) and fruits, and don’t eat too _小题4:(多) sweet food. I’d like to eat food that 小题5:  (它的) smell is nice and that __小题6: (品尝) good. Actually, we should eat a balanced diet.

_小题7:(睡觉)is also important to everyone’s health. We need at least __小题8:  (八) hours’ sleep every night. If you don’t sleep well at night, maybe you will feel sleepy in the day time, and you will do __小题9: (更坏) in your schoolwork.

We should do_小题10:_(运动) often to keep healthy.

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单项选择题

对企业富余职工在社会保险尚未到位的情况下，实行下岗而不是直接辞退，属于（）劳动者权益。

A.偏重保护

B.优先保护

C.平等保护

D.全面保护
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