1.选择题- (共8题)
3.对元素或物质按一定标准分类是我们学习化学的任务之一．填空下列四组分类标准：
A类 | B类 | 分类标准 | ||
元素分类 | ① | C、O、N | Fe、Cu、Ag | {#blank#}1{#/blank#} |
② | C、H、Ca | Fe、Zn、I | {#blank#}2{#/blank#} | |
物质分类 | ③ | O2、Fe、Cu | H2O、NaCl、CuO | {#blank#}3{#/blank#} |
④ | O2、H2O、KMnO4 | 空气、牛奶、硬水 | {#blank#}4{#/blank#} |
2.单项选择- (共15题)
9.
Those who smoke heavily should remind __________of health, the bad smell and the feelings of other people.
| A．theirs | B．them |
| C．themselves | D．oneself |
10.
Sophia got an e-mail ________ her credit card account number.
| A．asking for | B．ask for | C．asked for | D．having asked for |
11.
Young people may risk deaf if they are exposed to very loud music every day.
A. to go B. to have gone
C. going D. having gone
A. to go B. to have gone
C. going D. having gone
12.
The judges gave no hint of what they thought, so I left the room really ________.
| A．to be worried | B．to worry | C．having worried | D．worried |
13.
It’s a ________ clock, made of brass and dating from the nineteenth century.
| A．charming French small | B．French small charming |
| C．small French charming | D．charming small French |
14.
— I’m looking for a nearby place for my holiday. Any good ideas?
— How about the Moon Lake? It is ________ easy reach of the city.
— How about the Moon Lake? It is ________ easy reach of the city.
| A．by | B．beyond | C．within | D．from |
15.
I cannot hear the professor clearly as there is too much noise ________ I am sitting.
| A．before | B．until | C．unless | D．where |
16.
The school board is made up of parents who ________ to make decisions about school affairs.
| A．had been elected | B．had elected |
| C．have been elected | D．have elected |
17.
Among the crises that face humans ________ the lack of natural resources.
| A．is | B．are | C．is there | D．are there |
18.
An ecosystem consists of the living and nonliving things in an area ________ interact with one another.
| A．that | B．where | C．who | D．what |
19.
________ at the photos, illustrations, title and headings and you can guess what the reading is about.
| A．To look | B．Looking | C．Having looked | D．Look |
20.
I have no idea ________ the cell phone isn’t working, so could you fix it for me?
| A．what | B．why | C．if | D．which |
21.
The students are looking forward to having an opportunity ________ society for real-life experience.
| A．explore | B．to explore | C．exploring | D．explored |
22.
They promised to develop a software package by the end of this year, ________ they might have.
| A．however difficult | B．how difficult |
| C．whatever difficulty | D．what difficulty |
试卷分析
-
【1】题量占比
选择题:(8道)
单项选择:(15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：2
5星难题：0
6星难题：12
7星难题：0
8星难题：0
9星难题：1