1.选择题- (共6题)
1.下列现象与氢键有关的是:
①NH3的熔、沸点比VA族其它元素氢化物的高
②小分子的醇、羧酸可以和水以任意比互溶
③冰的密度比液态水的密度小
④尿素的熔、沸点比醋酸的高
⑤邻羟基苯甲酸的熔、沸点比对羟基苯甲酸的低
⑥水分子高温下也很稳定
①NH3的熔、沸点比VA族其它元素氢化物的高
②小分子的醇、羧酸可以和水以任意比互溶
③冰的密度比液态水的密度小
④尿素的熔、沸点比醋酸的高
⑤邻羟基苯甲酸的熔、沸点比对羟基苯甲酸的低
⑥水分子高温下也很稳定
2.下列现象与氢键有关的是:
①NH3的熔、沸点比VA族其它元素氢化物的高
②小分子的醇、羧酸可以和水以任意比互溶
③冰的密度比液态水的密度小
④尿素的熔、沸点比醋酸的高
⑤邻羟基苯甲酸的熔、沸点比对羟基苯甲酸的低
⑥水分子高温下也很稳定
①NH3的熔、沸点比VA族其它元素氢化物的高
②小分子的醇、羧酸可以和水以任意比互溶
③冰的密度比液态水的密度小
④尿素的熔、沸点比醋酸的高
⑤邻羟基苯甲酸的熔、沸点比对羟基苯甲酸的低
⑥水分子高温下也很稳定
2.单项选择- (共6题)
7.
Please don’t speak at one time. George may take the ________ after the two women each say a few words.
A.floor | B.chance | C.voice | D.speech |
8.
He was made ________ the house under his mother’s direction.
A.clean | B.cleaning | C.cleaned | D.to clean |
9.
---- Which share is intended ________ me?
---- You can take ________ half. They are exactly the same.
---- You can take ________ half. They are exactly the same.
A.for; any | B.to; any | C.to; either | D.for; either |
10.
We don’t doubt ________ the boy can ________ the angry teacher.
A.if; apologize for | B.whether; apologize to |
C.that; apologize to | D.what; apologize |
11.
---- Do you have the time?
---- Sorry, I have no watch.
---- ________
---- Sorry, I have no watch.
---- ________
A.What a pity! | B.Thanks anyway. | C.It doesn't matter. | D.Why not buy one? |
试卷分析
-
【1】题量占比
选择题:(6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:0
7星难题:0
8星难题:6
9星难题:0