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【单选题】
使用和操作易燃易爆物应在()。A.
通风厨内进行,操作人员应佩戴安全防护用具
B.
通风厨内进行,操作人员至少应有2人
C.
通风厨内进行,操作人员不用佩戴安全防护用具
D.
哪里都可以
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举一反三
【简答题】A．He has already arrived. B．He is often late. C．He doesn't like the restaurant. D．He doesn't get the message.
【简答题】Questions l2 to 15 are based on the conversation you have just heard. ◆12.A.He wants to change his job assignment. B.He is unhappy with his department manager C.He thinks he deserves extra pay for ove...
【简答题】下列四组螺钉的画法,画得正确的有( )。A. B. C. D.
【单选题】Some people think Mr. Smith is crazy because
A.
he is often motivated to change.
B.
he is in the media business.
C.
he often makes unreasonable decisions.
【单选题】依据《麻醉药品、第一类精神药品购用印鉴卡管理规定》，医疗机构需要使用麻醉药品和第一类精神药品，应凭《麻醉药品、第一类精神药品购用印鉴卡》向
A.
所在省、、自治区、直辖市范围内的定点生产企业购买
B.
所在省、自治区、直辖市范围内的定点批发企业购买
C.
所在市范围内的定点生产企业购买
D.
所在市范围内的定点批发企业购买
E.
定点批发企业购买
【单选题】Some people think Mr Murdoch is crazy because
A.
he is often motivated to change.
B.
he is in the media business.
C.
he often makes unreasonable decisions.
【简答题】下列螺钉联接画法正确的是
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