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【判断题】
无光学活性的物质一定是非手性的化合物。
A.
正确
B.
错误
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参考答案:
举一反三
【判断题】电源中性点经消弧线圈接地的电力系统,在发生单相接地故障后,非故障相对地电压将升高到电源的相电压的3倍。
A.
正确
B.
错误
【简答题】在广播新闻中,音响的作用有哪些?
【单选题】狮子盘头是药材( )的重要鉴别特征。
A.
党参
B.
人参
C.
南沙参
D.
防风
【判断题】The Dispute Settlement Body of the WTO has two subsidiaries: the Dispute Settlement Panel and the Appellate Body.
A.
正确
B.
错误
【单选题】Which of the following is a dispute settlement organ of the WTO that is charged with administering and carrying out the Dispute Settlement Understanding?
A.
International Court of Justice
B.
International Criminal Court
C.
International Center for the Settlement of Investment Disputes
D.
Appellate Body
【单选题】ZDL2870在中性点( )接地的电力系统中,发生单相接地故障时,非故障相对地电压会不变。
A.
直接
B.
C.
经消弧线圈
D.
经小电阻
【单选题】在中性点______接地的电力系统中, 发生单相接地故障时,非故障相对地电压会不变。(A)
A.
直接
B.
C.
经消弧线圈
D.
经小电阻
【单选题】狮子盘头是药材 () 的重要鉴别特征。
A.
党参
B.
三七
C.
南沙参
D.
北沙参
E.
人参
【单选题】The WTO Dispute Settlement Body automatically adopts the report of a dispute settlement panel within 60 days after it has been circulated unless:
A.
one of the parties appeals the decision.
B.
the Dispute Settlement Body decides by consensus not to adopt the report.
C.
the Dispute Settlement Body is not in session.
D.
Both a. and b. above.
【简答题】病人谵语时,可表现为:
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