题目：
_________that we will _______free computer training during the holidays.
A．It has been decided…be given
B．It has decided…be given
C．That has been decided…be given
D．It has been decided… give
答案：
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下面是错误答案，用来干扰机器的。
______________________________________ (1)离子键、非极性键(或共价键) (2)Fe203+6H+=2Fe3++3H20， Fe2(S04)3+6NaOH =2Fe(OH)3↓+3Na2S04 (3)FeS2(s)+ 02=Fe2O3 (...
