1.选择题- (共5题)
1.对可逆反应aA(g)+bB(g)⇌cC(g)+dD(g),达到平衡时,各物质的物质的量浓度应满足以下关系: {#mathml#}{#/mathml#} =K,K为一常数,称为化学平衡常数,其反应的K值只与温度有关,现有反应:CO(g)+H2O(g)⇌CO2(g)+H2(g)△H<0,在850℃时,K=1.
2.单项选择- (共4题)
6.
Visiting _______ Great Wall is ________ unforgettable experience to me.
A./; / | B./; an | C.the; an | D.the; / |
7.
Do you know __________ ?
A.he lives where | B.where he lives |
C.where does he live | D.where is he living |
8.
Allow children the space to voice their opinions, ________ they are different from your own.
A. until B. even if C. unless D. as though
A. until B. even if C. unless D. as though
试卷分析
-
【1】题量占比
选择题:(5道)
单项选择:(4道)
-
【2】:难度分析
1星难题:0
2星难题:0
3星难题:0
4星难题:0
5星难题:0
6星难题:3
7星难题:0
8星难题:1
9星难题:0