早在1807年化学家戴维用电解熔融氢氧化钠制得钠，反应原理为：4NaOH(熔融)
4Na＋2H2O＋O2↑。后来盖·吕萨克用铁与熔融 氢氧化钠作用也制得钠，反应原理为：3Fe＋4NaOH＝Fe3O4＋4Na↑＋2H2↑。下列有关说法不正确的是
| A．电解熔融氢氧化钠制钠，阴极发生电极反应为：Na++e－＝Na |
| B．盖·吕萨克法制钠原理是嫡的增加带动了反应的进行 |
| C．若戴维法与盖·吕萨克法制得等量的钠，则两反应中转移的电子总数比为1:1 |
| D．目前工业上常用电解熔融氯化钠法制钠（如图），电解槽中石墨极为阳极，铁为阴极 |
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 |
The CDs are on sale! Buy one and you get ______ completely free.
| A．other | B．others | C．one | D．ones ks |