皮皮学，免费搜题
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【多选题】
接触剧毒化学品时,常用的防护用品有哪些?()。A.
工作服
B.
防毒面具(配有相应的吸附剂)
C.
橡胶手套
D.
防护眼镜E、一次性口罩
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】She ______ Mr. Brown yesterday morning, for he has gone to New Jersey On business.
A.
mustn't have met
B.
couldn't have met
C.
shouldn't have met
D.
needn't have met
【单选题】These goods are toxic,handle with caution
A.
Please take care of these flammable cargo
B.
Please take care of these oxidizing cargo
C.
Please take care of these poisonous cargo
D.
Please take care of these combustible cargo
【单选题】These goods are liable to spontaneous heating and combustion.
A.
These goods shall be kept dry.
B.
These goods shall be kept away from heat.
【单选题】Listen! Is Mr. Brown giving a report in the school hall? —It ______ be him. He has gone to Wuhan. [ ]
A.
must
B.
mustn’t
C.
can
D.
can’t
【单选题】She ____________ Mr. Brown yesterday morning, for he has gone to New Jersey on business.
A.
mustn't have met
B.
couldn't have met
C.
shouldn't have met
D.
needn't have met
【单选题】These goods are liable to spontaneous heating and combustion
A.
These goods shall be kept clean
B.
These goods shall be kept dry
C.
These goods shall be kept away from heat
D.
These goods shall be kept away from dust
【简答题】独立人格的三要素包括:完整的人格意识、 ___________ 和自由的社会关系。
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