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【单选题】
低钾血症时,下列哪项症状不出现A.
软弱无力
B.
腹胀
C.
神志淡漠
D.
心动过缓
E.
心律异常
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反馈参考答案：
举一反三
【简答题】If he loses the case, Michael will have to __________ the bill for legal costs.
【单选题】If he loses the case, Michael will have to______ the bill for legal costs.
A.
pick up
B.
pick out
C.
turn up
D.
turn out
【简答题】同上 If he loses the case, Michael will have to pick up the bill for legal costs.
【单选题】当发动机转速一定，负荷增加时（在中小负荷范围内）（）。
A.
汽油机指示油耗率增加，柴油机指示油耗率减小
B.
汽油机指示油耗率增加，柴油机指示油耗率增加
C.
汽油机指示油耗率减小，柴油机指示油耗率增加
D.
汽油机指示油耗率减小，柴油机指示油耗率减小
【单选题】The system includes various safety devices such as ______ and ______ which can be closed in the event of a fire.
A.
booster pump ,viscosity regulator
B.
low-level alarm ,booster pump
C.
remotely operated tank outlet valves ,viscosity regulator
D.
low-level alarm ,remotely operated tank outlet valves
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