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【多选题】
根据设备故障的后果，故障可以分为（）A.
危险侧故障
B.
安全侧故障
C.
瞬间故障
D.
间歇性故障
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反馈参考答案：
举一反三
【单选题】We have the pleasure to inform you that the shipment has gone _____per s.s"wind" and hope that it will arrive at the destination in _____condition.
A.
on, good
B.
for, complete
C.
forward, perfect
D.
onto, perfect
【简答题】当菌种被其他杂菌污染时或混合菌悬液常用划线法进行纯化（纯种分离）。此法是借助将蘸有混合菌悬液的接种环在平板表面多方向( )划线，使混杂的微生物细胞在平板表面分散，经培养得到分散成由单个微生物细胞繁殖而来的菌落，从而达到纯化的目的。
【单选题】We take the pleasure ___ informing you that the shipment has gone per s.s “Victory” and hope that it will arrive at the destination in ___ condition.
A.
in; good
B.
onto; perfect
C.
for; complete
D.
of; perfect
【简答题】Identify and correct the mistake(s). Write the correct sentence on the line. Note there is no mistake in one of the sentences. If the sentence is correct, please write "No mistake." on the line. I wil...
【单选题】We have the pleasure to inform you that the shipment has gone per s.s. East Wind and hope that it will arrive at the destination in ______ condition.
A.
on, good
B.
for, complete
C.
forward, perfect
D.
onto, perfect
【简答题】Identify and correct the mistake(s). write down "no mistake" if there is no mistake (要求写出完整的正确的句子) I will phone you as soon as I will arrive in Beijing.
【简答题】将下面的词汇连线组成词组
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