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【简答题】
离心泵启动前,首先要( ),然后关闭出口阀,开启进口阀
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反馈参考答案：
举一反三
【单选题】How is the man going to pay?
A.
By credit card
B.
By check
C.
Cash on delivery
D.
By bank transfer
【简答题】How is the man going to the airport next week?
【单选题】How is the man going to spend his afternoon?
A.
He is going to take an auto mechanics class.
B.
He is going to take his car to an auto mechanics shop.
C.
He is going for a drive.
D.
He is going to change the oil in his car, and clean it.
【单选题】[单-护理学基础] 某伤寒病人入院已3天,体温持续在39~40°C,现按医嘱灌肠降温,灌肠液量及液面至肛门的距离应是
A.
200ml,不超过30cm
B.
300ml,不超过50cm
C.
500ml,不超过30cm
D.
600ml,不超过10cm
E.
800ml,不超过20cm
【单选题】How is the man going to pay his bill?
A.
In cash.
B.
By credit card.
C.
With a traveler’s check.
D.
With his smart phone.
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