1.选择题- (共15题)
8.小军同学在学校组织的社会调查活动中负责了解他所居住的小区450户居民的生活用水情况，他从中随机调查了50户居民的月均用水量（单位：t），并绘制了样本的频数分布表和频数分布直方图（如图）．
月均用水量（单位：t） | 频数 | 百分比 |
2≤x＜3 | 2 | 4% |
3≤x＜4 | 12 | 24% |
4≤x＜5 |
|
|
5≤x＜6 | 10 | 20% |
6≤x＜7 |
| 12% |
7≤x＜8 | 3 | 6% |
8≤x＜9 | 2 | 4% |
9.小军同学在学校组织的社会调查活动中负责了解他所居住的小区450户居民的生活用水情况，他从中随机调查了50户居民的月均用水量（单位：t），并绘制了样本的频数分布表和频数分布直方图（如图）．
月均用水量（单位：t） | 频数 | 百分比 |
2≤x＜3 | 2 | 4% |
3≤x＜4 | 12 | 24% |
4≤x＜5 |
|
|
5≤x＜6 | 10 | 20% |
6≤x＜7 |
| 12% |
7≤x＜8 | 3 | 6% |
8≤x＜9 | 2 | 4% |
10.小军同学在学校组织的社会调查活动中负责了解他所居住的小区450户居民的生活用水情况，他从中随机调查了50户居民的月均用水量（单位：t），并绘制了样本的频数分布表和频数分布直方图（如图）．
月均用水量（单位：t） | 频数 | 百分比 |
2≤x＜3 | 2 | 4% |
3≤x＜4 | 12 | 24% |
4≤x＜5 |
|
|
5≤x＜6 | 10 | 20% |
6≤x＜7 |
| 12% |
7≤x＜8 | 3 | 6% |
8≤x＜9 | 2 | 4% |
11.小军同学在学校组织的社会调查活动中负责了解他所居住的小区450户居民的生活用水情况，他从中随机调查了50户居民的月均用水量（单位：t），并绘制了样本的频数分布表和频数分布直方图（如图）．
月均用水量（单位：t） | 频数 | 百分比 |
2≤x＜3 | 2 | 4% |
3≤x＜4 | 12 | 24% |
4≤x＜5 |
|
|
5≤x＜6 | 10 | 20% |
6≤x＜7 |
| 12% |
7≤x＜8 | 3 | 6% |
8≤x＜9 | 2 | 4% |
2.单项选择- (共10题)
16.
If you want to change for a red one you'll have to pay ___________ $ 20.
| A．another | B．other | C．more | D．each |
17.
--- Tom , why didn’t you answer my call yesterday afternoon ?
--- Sorry , I didn't hear the phone . I ___________ asleep.
--- Sorry , I didn't hear the phone . I ___________ asleep.
| A．must be | B．must have been |
| C．could be | D．should have been |
18.
There are some health problems that , when _______ in time , can become bigger ones later on.
| A．not treated | B．not having treated |
| C．not to be treated | D．not having been treated |
19.
If the project ________ by the end of this month is delayed , the company is sure to pay a large sum of money for it .
| A．completed | B．completing |
| C．to be completed | D．having completed |
20.
________ astronauts cannot go to a baseball game or a movie in orbit , there are many familiar activities that they can still enjoy.
| A．While | B．Since | C．Before | D．Unless |
21.
--- Is there anything wrong , Tom ? You look upset .
---Oh, nothing . In fact , I ______ the coming National College Entrance Examination .
---Oh, nothing . In fact , I ______ the coming National College Entrance Examination .
| A．have just thought of | B．was just thinking of |
| C．will just be thinking of | D．would just think of |
22.
If we ________ now to protect our mother river ---Li Jiang River , we ‘ll live to regret it.
| A．haven’t acted | B．won’t act |
| C．don’t act | D．hadn’t acted |
23.
Only after Mary read her article a second time _____the spelling mistakes.
| A．did she notice | B．she noticed |
| C．does she notice | D．she has noticed |
24.
September 18, 1937 is a day _______ all Chinese will remember forever.
| A．when | B．what | C．不填 | D．why |
试卷分析
-
【1】题量占比
选择题:(15道)
单项选择:(10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：10
7星难题：0
8星难题：0
9星难题：0