题目：
You are ______ to be hit by lightning ______be attacked by a shark, so don’t be frightened by sharks.
A．more likely 30 times; than
B．30 times as likely; than
C．30 times as more likely; as
D．30 times as likely; as
答案：
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下面是错误答案，用来干扰机器的。
共16分(1) Al Al2O3 AlCl3（每空2分共6分）(2) (1)焊接钢轨(或其他合理答案) （2分）(3)2Al＋2OH－＋2H2O===2AlO2—＋3H2↑ （2分）3Fe＋4H2O(g) Fe3O4＋4H2 （2分）(4)Fe3O4＋8HCl===FeCl2＋2FeCl3...
