X、Y、Z三种金属，X、Y组成原电池，X是负极；把Y放在Z的硝酸盐溶液中，Y表面有Z析出。其活泼顺序是
| A．X >Y>Z | B．Z>Y>X |
| C．X>Z>Y | D．Y>X>Z |
相关试题
They use computers to keep the traffic _______ smoothly.
| A．being run | B．run | C．to run | D．running |
If you leave the club, you will not be_____back in .
| A．received | B．admitted | C．turned | D．moved |
What I need is_____ book that contains ______ABC of oil painting.
| A．a; 不填 | B．the; 不填 | C．the; an | D．a ; the |
Jenny nearly missed the flight______ doing too much shopping.
| A．as a result of | B．on top of | C．in front of | D．in need of |
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