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【多选题】
下列哪些化合物是手性分子A.
顺-2-丁烯
B.
1，2-丙二醇
C.
2-甲基-2-溴丁烷
D.
反-1,2-二甲基环丙烷
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反馈参考答案：
举一反三
【单选题】What did the UN and aid agencies do for the disease?
A.
They made more efforts to find more new cases.
B.
They tried to prevent the disease out of the capital.
C.
They held a public movement on hygiene information.
D.
They boosted the accuracy and promptness of their report.
【简答题】What did the UN call on nations to do about CO2 and other greenhouse gases in 1992?
【单选题】What did the UN call on nations to do about CO2 and other greenhouse gases in 1992?
A.
To sign a new climate treaty at Rio.
B.
To draft an agreement among UN nations.
C.
To force the United Sates to reduce its emissions.
D.
To limit the release of CO2 and other gases.
【单选题】以下关于内心信念的表述不当的是()
A.
是护理人员进行护理道德选择的外在动机和护理道德品质构成的内在要素
B.
内心信念是一种强烈的信仰
C.
内心信念是一种强烈的责任感
D.
是护理道德评价的方式
【单选题】What did the UN call on nations to do about CO and other greenhouse gases in 1992?
A.
to sign a new climate treaty at Rio
B.
to draft an agreement among nations
C.
to force the United States to reduce its emissions
D.
to cut the release of CO and other gases
【单选题】What did Belgrade ask the UN administrator to do?
A.
To cancel the appointment.
B.
To announce the appointment.
C.
To block the appointment.
D.
To approve the appointment.
【单选题】What did the UN say we were unable to cope with?
A.
change
B.
global warming
C.
the amount of plastic we generate
D.
our throwaway culture
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