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【判断题】
根据GB8702—88《电磁辐射防护规定》的要求，当震荡频率大于100Hz时需采取防护措施。A.
正确
B.
错误
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皮皮学刷刷变学霸
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【简答题】为降低污染和交叉污染的风险,厂房、生产设施和设备应当根据所生产药品的 、 及 合理设计、布局和使用。
【简答题】A．She expects the weather to be nice next weekend. B．She forgot she had so much studying to do. C．She usually hands in her assignments early. D．She won't have much time to study later.
【简答题】A．Because it stopped raining. B．Because she already has an umbrella. C．Because she is staying home. D．Because she has a raincoat.
【单选题】- Could you please tell me _____ tomorrow? - At 8 o’clock.
A.
when will she come
B.
what time she will start
C.
how will she come
D.
where she will go
【单选题】What is Mrs James doing now?
A.
She is studying cooking.
B.
She is studying typing.
C.
She is studying French.
D.
She is studying sewing.
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