1.选择题- (共12题)
1.在三个容积均为2L的密闭容器中发生反应:2HI(g)
H2(g)+I2(g),已知H2(g)和I2(g)的起始物质的量均为0,HI(g)的物质的量随反应时间和温度的变化情况如表所示:


11.下列是部分短周期中第二、第三周期元素的原子半径及主要化合价。
回答下列问题:
元素代号 | ① | ② | ③ | ④ | ⑤ | ⑥ | ⑦ | ⑧ |
原子半径(nm) | 0.186 | 0.160 | 0.152 | 0.143 | 0.110 | 0.099 | 0.075 | 0.074 |
主要化合价 | +1 | +2 | +1 | +3 | +5、-3 | +7、-1 | +5、-3 | -2 |
12.下列是部分短周期中第二、第三周期元素的原子半径及主要化合价。
回答下列问题:
元素代号 | ① | ② | ③ | ④ | ⑤ | ⑥ | ⑦ | ⑧ |
原子半径(nm) | 0.186 | 0.160 | 0.152 | 0.143 | 0.110 | 0.099 | 0.075 | 0.074 |
主要化合价 | +1 | +2 | +1 | +3 | +5、-3 | +7、-1 | +5、-3 | -2 |
2.单项选择- (共14题)
15.
Yes, ________ is difficult to find a job nowadays, but ________ is more difficult is to try to find such a job with a high salary but little work to do.
A. it ; it B. what ; what
C. it ; what D. what ; it
A. it ; it B. what ; what
C. it ; what D. what ; it
16.
I once watched _____ one-act play, which was played by ___ 11-year-old boy.
A. a , a B. an , an
C. a , an D. an , a
A. a , a B. an , an
C. a , an D. an , a
17.
In a way I can see what you mean , even though I don’t ___ your point of view.
A. agree B. permit C. recognise D. share
A. agree B. permit C. recognise D. share
18.
We should ______ the achievements and correct the mistakes.
A. add in B. add to C. add up D. add up to
A. add in B. add to C. add up D. add up to
19.
---I usually go there by train.
---Why not ________ by ship for a change?
A. to try going B. trying to go
C. to try and go D. try going
---Why not ________ by ship for a change?
A. to try going B. trying to go
C. to try and go D. try going
20.
I came home and invited Dad to go sailing. Out we set soon on the _____ lake.
A.icy | B.calm | C.stormy | D.quite |
21.
Some of the people had ____taken up their arms.
A. truly B. actual
C. in the fact D. actually
A. truly B. actual
C. in the fact D. actually
22.
----Ready to quit guessing , Sandy? ----No, no, I hold on! I think I ____ to the answer.
A.come | B.have come | C.came | D.am coming |
23.
He asked ______ for the computer.
A.did I pay how much |
B.I paid how much |
C.how much did I pay |
D.how much I paid |
24.
Which of the following is right?
A. She said that I was here a few weeks ago.
B. She said she was there a few weeks ago.
C. She said that I have been there a few weeks ago.
D. She said she had been there a few weeks before.
A. She said that I was here a few weeks ago.
B. She said she was there a few weeks ago.
C. She said that I have been there a few weeks ago.
D. She said she had been there a few weeks before.
25.
The factory was built in a secret place, around ________ high mountains.
A.which was | B.it was | C.which were | D.them were |
试卷分析
-
【1】题量占比
选择题:(12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:13
7星难题:0
8星难题:0
9星难题:0