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【单选题】
When are tools usually given as gifts?A.
Valentine’s Day
B.
Father’s Day
C.
Mother’s Day
D.
A Child’s Birthday
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【简答题】工业上通常在恒容密闭容器中采用CO(g)和H 2 (g)反应催化合成甲醇CH 3 OH(g)： （1）已知：① 2CO(g) + O 2 (g) = 2CO 2 (g) ΔH =' -566.0' kJ·mol -1 ② 2H 2 (g) + O 2 (g) ='2' H 2 O (g) ΔH =' -398.0' kJ·mol -1 ③2CH 3 OH(g) +3O 2 (g) =2CO 2 (...
【单选题】Great floodThe LORD saw that humanity had become thoroughly evil on the earth and that every idea their minds thought up was always completely evil. The LORD regretted making human beings on the earth...
A.
The waters rose over the earth for one hundred forty days.
B.
Noah was a moral man who despised God
C.
God was very satisfied with human beings
D.
Humanity had become thoroughly evil on the earth
【单选题】As he was a thoroughly professional journalist, he already knew the media______.
A.
to and fro
B.
upside and down
C.
inside and out
D.
now and then
【单选题】当反应系统中加入不参与反应的惰性气体时,下列叙述中不正确的是
A.
使标准平衡常数改变，平衡发生移动
B.
总压一定时，惰性气体的加入和减小反应系统总压的效果相同
C.
对于 ∑ ν B ＞ 0 的反应，增加惰性气体，反应正向移动
D.
对于 ∑ ν B ＜ 0 的反应，增加惰性气体，反应逆向移动
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