1.选择题- (共3题)
1.
A元素和B元素形成化合物的化学式为AxBy,已知A、B两元素的相对原子质量之比为27:16.上述化合物中A、B两元素的质量比9:8,则x:y= {#blank#}1{#/blank#}若B的相对原子质量为8,则化合物AxBy的相对分子质量为 {#blank#}2{#/blank#}.
2.单项选择- (共6题)
4.
For him __________ stage is just __________ means of making a living.
A.a; a | B.the; a | C.the; the | D.a; the |
5.
I_______ such a foolish mistake if I had been a little more careful.
A.wouldn’t make | B.wouldn’t have made |
C.hadn’t made | D.didn’t make |
6.
The boss said we had only three days to finish the work.
Don’t worry. We have already ____? two thirds of it.
Don’t worry. We have already ____? two thirds of it.
A.got down | B.got through |
C.given in | D.given awaywww.gkstk.com |
7.
We had a really bad time about six months ago but now things are______.
A.picking up | B.coming up | C.making up | D.turning up |
8.
I just wonder ____ that makes him so excited.
A.why it does | B.what he does |
C.how it is | D.what it is www.gkstk.com |
试卷分析
-
【1】题量占比
选择题:(3道)
单项选择:(6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:6
7星难题:0
8星难题:0
9星难题:0