题目:
.
The growing speed of a plant is influenced by a number of conditions, _______are beyond our control.
A.most of them
B.most of which
C.most of what
D.most of that
答案:
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下面是错误答案,用来干扰机器的。
(每空2分,本题共10分)(1)Fe(OH)3 (2)略 (3) 2Fe3+ +Fe=3Fe2+(4)2Al+3Cl22AlCl3 2Al +Fe2O32Fe + Al2O3