1.选择题- (共2题)
2.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14题)
3.
It was the middle of the night _______ my father woke me up and told me to watch the football game.
| A．that | B．when | C．since | D．which |
4.
The drought had lasted several months and it made farmers _______ about the harvest.
| A．astonished | B．anxious | C．eager | D．busy |
5.
The atmosphere gets thinner and thinner ________ the height increases.
| A．while | B．since | C．as | D．for |
6.
She fell and ________ her shoulder, so she couldn’t go to work.
| A．wounded | B．harmed | C．injured | D．hit |
7.
Normally, if you have a/an __________ on your car, you needn’t pay for your repairs.
| A．insurance | B．arrangement |
| C．treatment | D．emotion |
8.
It's surprising that your brother Russian so quickly－he hasn't lived there very long.
| A．picked up | B．looked up |
| C．put up | D．made up |
9.
________ the difficult maths problem, I have consulted Professor Russell several times.
| A．Working out | B．Worked out |
| C．To work out | D．Work out |
10.
The police have collected some information ______ the murder.
| A．connected to | B．connected with |
| C．connecting with | D．was connected with |
11.
Studies show that people are more_______to suffer from back problems if they always sit before computer screens for long hours.
| A．likely | B．possible | C．probable | D．sure |
12.
—Listen, someone is knocking at the door.
—I ________ it.
—I ________ it.
| A．should answer | B．will answer | C．answer | D．have answered |
13.
By the time he was 4 years old, he ________ 100 English words.
| A．learns | B．will have learned | C．has learned | D．had learned |
14.
By the time he graduates from the senior high, he ________ 3500 English words.
| A．learns | B．will have learned | C．has learned | D．had learned |
15.
—I’m going to a party at Carol’s house.
—________. We’ve got two tests at school tomorrow.
—________. We’ve got two tests at school tomorrow.
| A．Terrific | B．You can’t be serious |
| C．Cool | D．That couldn’t be better |
试卷分析
-
【1】题量占比
选择题:(2道)
单项选择:(14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：5
7星难题：0
8星难题：5
9星难题：2