1.选择题- (共9题)
5.下列有关物质的鉴别、除杂、分离所用的试剂或方法正确的是（ ）
选项 | 实验目的 | 所用试剂或方法 |
A | 鉴别氯化钾溶液和硫酸钾溶液 | AgNO3溶液 |
B | 鉴别氢氧化钠固体和硝酸铵固体 | 水 |
C | 除去氯化钠溶液中的硝酸钾 | 降温结晶 |
D | 分离氯化钾固体与二氧化锰 | 溶解、过滤 |
6.下列有关物质的鉴别、除杂、分离所用的试剂或方法正确的是（ ）
选项 | 实验目的 | 所用试剂或方法 |
A | 鉴别氯化钾溶液和硫酸钾溶液 | AgNO3溶液 |
B | 鉴别氢氧化钠固体和硝酸铵固体 | 水 |
C | 除去氯化钠溶液中的硝酸钾 | 降温结晶 |
D | 分离氯化钾固体与二氧化锰 | 溶解、过滤 |
7.A～I是初中化学常见物质。A与B在高温条件下反应生成C和D，该反应在工业上可用于冶炼金属，A和C是组成元素相同的两种气体，D在气体E中燃烧生成黑色固体B，D与F的溶液反应生成G和H，F可用于配置波尔多液。
2.单项选择- (共14题)
10.
I have no time to read of Liu Lianzi’s novels, but judging from The Legend of Concubine Zhen Huan I’ve read, she is very promising.
| A．none | B．either |
| C．both | D．all |
11.
To the attendants’ awareness of service, the two companies launched a program for their attendants to exchange experience on Nov. 1.
| A．arise | B．raise | C．rise | D．attract |
12.
I have to drive to the railway station to the experts from Shanghai.
| A．take in | B．pick up |
| C．draw on | D．bring in |
13.
Our English teacher has the English language in this text to make it easier for us to understand.
| A．changed | B．simplified |
| C．developed | D．combined |
14.
In Britain today women 44% of the workforce, and nearly half the mothers with children are in paid work.
| A．hold up | B．build up |
| C．account for | D．consist of |
15.
—How will you yourself after you retire?
—I intend to get into golf to spend the rest of my life.
—I intend to get into golf to spend the rest of my life.
| A．occupy | B．associate | C．charge | D．Devote |
16.
The job market and the social expectations of students,
with the education system, form a big challenge for society.
with the education system, form a big challenge for society.
| A．combine | B．to combine |
| C．combining | D．combined |
17.
Though measures have now been taken to prevent further price hikes, many people remain over the rising cost of food.
| A．concerning | B．concerns |
| C．concern | D．concerned |
18.
The traffic problems have severely affected economic development. , we must spare no efforts to solve them.
| A．Furthermore | B．Therefore |
| C．Meanwhile | D．Nevertheless |
19.
According to a UN report, clean drinking water and health care are not to 30 percent of the world population.
| A．sensible | B．responsible |
| C．accessible | D．acceptable |
20.
It is_______ that I can still remember_______ was discussed at the meeting.
| A．sure; when | B．sure; what | C．certain; when | D．certain; what |
21.
The city government is taking steps to replace private cars buses in order to reduce the press of traffic.
| A．by | B．to | C．of | D．with |
22.
the oil deals, the two countries signed agreements covering biofuel development and the joint launch of two satellites.
| A．Aside from | B．Except for |
| C．In addition | D．Other than |
试卷分析
-
【1】题量占比
选择题:(9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：13
7星难题：0
8星难题：1
9星难题：0