1.选择题- (共10题)
6.下表中，除去物质所含杂质的方法不正确的是（ ）
选项 | 物质 | 所含杂质 | 除去杂质的方法 |
A | H2 | HCl气体 | 通过NaOH溶液，再通过浓硫酸 |
B | NaCl溶液 | Na2CO3 | 加入适量稀盐酸 |
C | CO | CO2 | 通过灼热的Fe2O3 |
D | CaCO3粉末 | KCl | 加水溶解、过滤、干燥 |
2.单项选择- (共14题)
11.
Don’t be too proud of yourself. Do you really think you are ______?
| A．anybody | B．somebody | C．nobody | D．everybody |
12.
Sometimes in summer, when ______ sun is rising, you can still see ______ clear moon hanging in the sky.
| A．the, the | B．a, the | C．the, a | D．a, a |
13.
I’m really tired of Tom because he ______ keep asking silly questions.
| A．can | B．will | C．must | D．would |
14.
______ the danger ahead on the railway line, he decided to go to Beijing by plane instead.
| A．Having been informed of | B．Having informed of |
| C．To be informed of | D．Informing of |
15.
Make good preparations for your self-driving trip ______ you’ll regret it when your car breaks down in a remote area.
| A．and | B．so | C．but | D．or |
16.
He didn’t succeed overnight. On the contrary, it was many years ______ his career took off.
| A．since | B．that | C．before | D．after |
17.
What you learn today ______ of practical use when you hunt for a job.
| A．is proved | B．proves | C．will be proved | D．will prove |
18.
My parents, without ______ help I wouldn’t have become who I am, have taught me the true meaning of life.
| A．whom | B．their | C．whose | D．them |
19.
______ is conveyed here to children is that reading is one of life’s greatest treats.
A．As B. What C. That D. It
A．As B. What C. That D. It
21.
--- You can’t have enjoyed your picnic in the rain last Saturday, I’m afraid.
--- On the contrary, we ______.
--- On the contrary, we ______.
| A．can | B．must | C．did | D．have |
22.
On the top of the mountain ______, dating from the 14th century.
| A．does an old temple stand | B．stand an old temple |
| C．an old temple is standing | D．stands an old temple |
23.
--- Why so many people at the street corner? ______
--- Oh, a traffic accident has just happened.
--- Oh, a traffic accident has just happened.
| A．What’s going on? | B．So what? |
| C．How is it going? | D．What’s wrong with them? |
试卷分析
-
【1】题量占比
选择题:(10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：0
5星难题：0
6星难题：14
7星难题：0
8星难题：0
9星难题：0