题目内容

化学品职业危害中误食伤害处理方法有( )

A. 误食后应该 以水漱口
B. 以手指刺激喉咙上部,催吐(误食腐蚀性物质不宜催吐)
C. 查明化学品名称,并携带物质安全资料表至医院
D. 多进食馒头等

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There ______ be an old supermarket atthe corner of the street, but it wasdestroyed last year.

A. can
B. must
C. used to

______ you like to say something aboutthe new product?

A. Would
B. Will
Can

I insisted that he ______ hand in hismarket plan this week.

A. have to
B. should
C. must

--- ______ you leave so soon?--- No, I ______.

A. Must;needn't
B. Must; mustn't
C. Dare; daren't

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