问题
选择题
The report is incomplete, _______, it doesn’t include sales in France.[ ]
A. for example
B. such as
C. like
答案
答案：A
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The report is incomplete, _______, it doesn’t include sales in France.[ ]
A. for example
B. such as
C. like
答案：A
有关X、Y、Z、W四种金属进行如下实验：
| ① | 将X和Y用导线连接，浸入电解质溶液中，Y不易腐蚀 |
| ② | 将片状的X、W分别投入等浓度盐酸中都有气体产生，W比X反应剧烈 |
| ③ | 用惰性电极电解等物质的量浓度的Y和Z的硝酸盐混合溶液，在阴极上首先析出单质Z |
A．Z的阳离子氧化性最强
B．W的还原性强于Y的还原性
C．Z放入CuSO4溶液中一定有Cu析出
D．用X、Z和稀硫酸可构成原电池，且X做负极