1.选择题- (共3题)
1.除去下列物质中的少量杂质，所选用试剂或方法不正确的是（ ）
选项 | 物 质 | 杂 质 | 试剂或方法 |
A | KNO3溶液 | Ba（NO3）2 | Na2SO4溶液 |
B | CaO固体 | CaCO3 | 高温煅烧 |
C | KCl固体 | MnO2 | 溶解、过滤、蒸发 |
D | FeSO4溶液 | CuSO4 | 铁粉、过滤 |
2.单项选择- (共4题)
4.
As we all know, independence is very ________ for youngsters because sooner or later they will leave their families and live alone.
| A．essential | B．accurate | C．flexible | D．temporary |
5.
One thing that most organically grown food products seem to have in common is that they cost more than ________ grown foods.
| A．apparently | B．contradictorily | C．conventionally | D．punctually |
6.
China’s goal of 7.5 percent GDP growth this year, though moderate in comparison with previous rates, is not cause for concern since it could still generate ________ volume wealth.
| A．relative | B．punctual | C．considerable | D．tentative |
试卷分析
-
【1】题量占比
选择题:(3道)
单项选择:(4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：2
7星难题：0
8星难题：2
9星难题：0