1.选择题- (共10题)
1.把X、Y、Z三种金属分别放入稀盐酸中，X、Y溶解并有气泡产生，Z不反应，取过量X放入Y（NO3）2和Z（NO3）2的混合溶液中充分反应后过滤，经检验，滤渣中只有X、Z．则X、Y、Z三种金属的活动性由强到弱的顺序是（ ）
2.把X、Y、Z三种金属分别放入稀盐酸中，X、Y溶解并有气泡产生，Z不反应，取过量X放入Y（NO3）2和Z（NO3）2的混合溶液中充分反应后过滤，经检验，滤渣中只有X、Z．则X、Y、Z三种金属的活动性由强到弱的顺序是（ ）
3.把X、Y、Z三种金属分别放入稀盐酸中，X、Y溶解并有气泡产生，Z不反应，取过量X放入Y（NO3）2和Z（NO3）2的混合溶液中充分反应后过滤，经检验，滤渣中只有X、Z．则X、Y、Z三种金属的活动性由强到弱的顺序是（ ）
4.下列方法中，不能达到目的是（ ）
选项 | 物质（括号内为杂质） | 除去杂质的方法 |
A | NaOH溶液（Na2SO4） | 加入适量的Ba（OH）2溶液、过滤 |
B | CaO（CaCO3） | 加水溶解、过滤 |
C | CO（CO2） | 通过足量氢氧化钠溶液，并干燥 |
D | CuSO4溶液（H2SO4） | 加足量氧化铜粉末，过滤 |
时，得到
，同时放出一种粒子，关于这种粒子，下列说法中正确的是
2.单项选择- (共8题)
11.
If you have _____ good command of French, you will be offered _____ work we talked about.
| A．/; / | B．a; / | C．/; a | D．a; the |
12.
—I failed again in the maths exam. How disappointing!
—You it! You never spend time on your maths study.
—You it! You never spend time on your maths study.
| A．admit | B．stand | C．need | D．deserve |
13.
Last night Li Ping watched the football match at my home, so he________ in his office.
| A．needn’t have worked | B．mustn’t haven’t worked |
| C．shouldn’t have worked | D．couldn’t have worked |
14.
The film ______ on the book by Jack London is well worth________.
| A．basing; seeing | B．based; being seen | C．to be based; to see | D．based; seeing |
15.
He came here ______ to discuss it with you.
| A．on purpose | B．by chance | C．for purpose | D．on design |
16.
The policeman asked me ______ and ______ .
| A．what was the matter; what was my name |
| B．what was the matter; what my name was |
| C．what the matter was; what was my name |
| D．what the matter was; what my name was |
17.
Charlie Chaplin, for ____ life was hard, went to the USA to earn his life when he was young.
| A．whose | B．who | C．whom | D．his |
试卷分析
-
【1】题量占比
选择题:(10道)
单项选择:(8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：1
5星难题：0
6星难题：6
7星难题：0
8星难题：1
9星难题：0