1.选择题- (共3题)
1.下表是25℃时某些盐的溶度积常数和弱酸的电离平衡常数，下列说法正确的是（ ）
化学式 | CH3COOH | H2CO3 | AgCl | Ag2CrO4 |
Ka或Ksp | Ka=1.8×10﹣5 | Ka1=4.1×10﹣7 Ka2=5.6×10﹣11 | Ksp=1.8×10﹣10 | Ksp=2.0×10﹣12 |
2.单项选择- (共11题)
5.
The story happened in________ and the hero was in his________.
| A．1840s；thirty | B．the 1840s；thirty |
| C．1840s；thirties | D．the 1840s；thirties |
6.
About________of the workers in that steel works________ young people.
| A．thirdfifths; are | B．threefifths; is | C．threefifths; are | D．thirdfifth; are |
8.
The snow lasted a week, ________a serious traffic confusion in the whole area.
| A．causing | B．cause | C．to cause | D．caused |
9.
The police have collected some information ______ the murder.
| A．connected to | B．connected with |
| C．connecting with | D．was connected with |
10.
— Do you think the film is good?
— Terrific! ______
— Terrific! ______
| A．It couldn’t be better. | B．It could be better. |
| C．It is still better. | D．It couldn’t be worse. |
11.
When I met him the other day，it was the first time we ______ each other since we graduated from school.
| A．saw | B．have seen |
| C．were seeing | D．had seen |
12.
--- Did you tell Julia about the result? ---Oh, no, I forgot. I _____ her now.
| A．will be calling | B．call | C．will call | D．am to call |
13.
Recently I bought an ancient Chinese vase，________ was very reasonable.
| A．the price of it | B．its price | C．the price of which | D．the price of whose |
试卷分析
-
【1】题量占比
选择题:(3道)
单项选择:(11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：1
5星难题：0
6星难题：8
7星难题：0
8星难题：2
9星难题：0