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【简答题】
判断并改错: 测定水中六价铬时,采集水样的容器应使用具磨口塞的玻璃瓶,以保证其密封。 ( )
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皮皮学刷刷变学霸
举一反三
【判断题】Eveline was not respected at the shop she worked, nor was she at home, though she was a hard-working girl.()
A.
正确
B.
错误
【简答题】A．She is at school. B．She is at the library. C．She is at tile swimming pool. D．She is at home.
【单选题】What is a fee of $27 for?
A.
The registration fee.
B.
The weekly cost for bed, breakfast and dinner.
C.
The fee of the first course.
D.
The cost of the tax for the course.
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