【单选题】下列反应中, D r H(标准摩尔化学反应焓变) 与产物的 D f H(标准摩尔生成焓) 相同的是:
A.
2H 2 (g)+ O 2 (g)→2H 2 O(l)
B.
NO(g)+ 1/2O 2 (g) →NO 2 (g)
D.
H 2 (g)+ 1/2 O 2 (g)→ H 2 O(l)
【单选题】魏晋南北朝的小说创作,从题材类型上可以分为( )和( )两类。
【单选题】如图中的尺寸标注中哪个为多余尺寸,可予省略?( )
【单选题】关于在航军舰应显示的号灯,下列说法不正确的是:I、可以不显示普通机动船的号灯,而显示普通机动船以外的号灯;II、可以关闭航行灯;III、可以显示政府为其确定的尽可能符合规则要求的号灯;IV、可以显示政府为其确定的尽可能不致被误认为规则条文的号灯
【单选题】Globally, recovery is going slightly better than expected, according to the IMF, which released its latest World Economic Outlook today. After shrinking by 0.6% last year, the global economy is likely...
A.
The recovery of global economy is slower than expected.
B.
Global economy is recovering somewhat better than expected.
C.
Economy in Euro area will not grow any more in the future.
D.
American economy faces a poorer growth outlook.
【单选题】如图中的尺寸标注中哪个为多余尺寸,可予省略?( )
【单选题】Today, going global is not only a( ), it is almost a( ).
B.
impossibility;necessity
C.
possibility;unnecessity
D.
impossibility;unnecessity
【单选题】One of the most important and broad-based challenges facing organizations today is
C.
adapting to people who are different.
E.
winning the war for talent.
【简答题】Until today, there was no on-going global mechanism recognized by both the scientific and policy communities to gather, __________ and yse information for decision .