终聚系统停电恢复后,需要做的是()。
A、将终聚真空系统恢复
B、将反应釜用氮气破空
C、向反应釜进料
D、反应釜开始出料
参考答案:A, C, D
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The report shows that global climate change__________the drought in Southwest of China but ______ we need to make greater efforts.
A.accounts for; that
B.due to; whether
C.brings in; what
D.comes up; why
凯恩斯认为,货币需求具有交易动机、预防动机和______三个动机。