1.选择题- (共11题)
4.下列选项中前一种物质属于混合物后一种物质属于氧化物的是{#blank#}1{#/blank#}
A．高锰酸钾 二氧化碳 B．空气 氧气 C．海水 四氧化三铁 D．{#blank#}2{#/blank#}．
5.现有下列物质：①澄清石灰水 ②二氧化碳 ③氧化铜 ④液氧 ⑤碳酸 ⑥海水（填入序号即可）
属于混合物的是{#blank#}1{#/blank#}，属于氧化物的是{#blank#}2{#/blank#}．
7.水、干冰、氧化钙三种物质中都含{#blank#}1{#/blank#}种元素，且都含{#blank#}2{#/blank#}元素，所以它们属于{#blank#}3{#/blank#}．
8.水、干冰、氧化钙三种物质中都含{#blank#}1{#/blank#}种元素，且都含{#blank#}2{#/blank#}元素，所以它们属于{#blank#}3{#/blank#}．
9.水、干冰、氧化钙三种物质中都含{#blank#}1{#/blank#}种元素，且都含{#blank#}2{#/blank#}元素，所以它们属于{#blank#}3{#/blank#}．
10.概念之间存在交叉、并列或包含关系．若有关概念之间存在如下图所示的关系，则下列 选项中的概念符合图中所示关系的是（ ）
选项 | A | B | C | D |
M | 化合物 | 化合物 | 物理变化 | 分解反应 |
N | 纯净物 | 单质 | 化学变化 | 燃烧 |
Q | 单质 | 氧化物 | 缓慢氧化 | 化合反应 |
11.概念之间存在交叉、并列或包含关系．若有关概念之间存在如下图所示的关系，则下列 选项中的概念符合图中所示关系的是（ ）
选项 | A | B | C | D |
M | 化合物 | 化合物 | 物理变化 | 分解反应 |
N | 纯净物 | 单质 | 化学变化 | 燃烧 |
Q | 单质 | 氧化物 | 缓慢氧化 | 化合反应 |
2.单项选择- (共11题)
12.
--- Why did you call the police?
--- I got home and found my house _____.
--- I got home and found my house _____.
| A．broken up | B．broken down | C．broken in | D．broken out |
13.
You _____ make any noise while father is sleeping.
| A．oughtn’t | B．mustn’t |
| C．ought to not | D．don’t have to |
14.
When I went to their house, there was no light on. They _____ at home.
| A．can’t be | B．couldn’t be |
| C．can’t have been | D．mustn’t have been |
15.
The girl said she would buy a gift for her sister with the _____ money.
| A．remaining | B．remained | C．leaving | D．left |
16.
In many countries in the world, breakfast is a snack _______ a meal, but the traditional English breakfast is a full meal.
| A．other than | B．more than | C．rather than | D．less than |
17.
I was just about to go to bed last night ______ the telephone rang.
| A．while | B．when | C．as | D．before |
18.
The government has taken some measures to prevent more trees from _____.
| A．cutting down | B．cut down. |
| C．being cut down | D．been cut down |
19.
I asked her _____ have to study before I could go to university.
| A．how long would I | B．how soon would I |
| C．how long I would | D．how soon I would |
20.
_____ surprised me most was to see so many people waiting for my arrival.
| A．That | B．It | C．Which | D．What |
试卷分析
-
【1】题量占比
选择题:(11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：0
5星难题：0
6星难题：11
7星难题：0
8星难题：0
9星难题：0