问题
单项选择题
进入易产生静电的实验室前，应该（），以消除人体从室外带来的静电。
A.戴上胶皮手套
B.穿绝缘底鞋
C.徒手触摸一下金属接地棒
D.手腕上戴腕带
答案
参考答案：C
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进入易产生静电的实验室前，应该（），以消除人体从室外带来的静电。
A.戴上胶皮手套
B.穿绝缘底鞋
C.徒手触摸一下金属接地棒
D.手腕上戴腕带
参考答案：C
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| Friends are important in our life. But first, you have to decide what kind of friends you want to 1 . My ideal (理想的) friend is of course a good friend whose goodness is shown below - he has no bad likings, such as smoking and drinking. He lives in frugality (节俭). He studies hard so as not to 2 his golden time. At home he honors his parents and loves his brothers. At school he 3 his teachers and shares feelings with his classmates. He treats those who 4 true to him honestly. In a word, he has all the good characters 5 than mine. I can follow him as a model. 6 his help, I am free from all difficulties. Indeed, if I have such a person as my friend, I shall never be afraid of 7 and I shall never know the existence (存在) of the word "failure". | ||||
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