题目内容

根据有关危害辨识、风险评价和风险控制策划的要求,生产经营单位在()时,要进行危害辨识和风险评价。

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Which of the following is not a region of developed industrialization mentioned in this passage?

According to the passage,which of the following statements is NOT true?()

A. Knitting helps one get rid of bad habits.
B. Knitting helps one get free from a bad mood.
C. Knitting requires patience.
D. Knitting is a profit-making business.

用起重机械吊运模板等材料时,被吊的模板构件和材料应捆牢,起落应听从指挥,吊重物下方()禁止人员停留。

下列关于火药的特性说法正确的是()。

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