加气混凝土砌块的特性包括（）。
A、强度高
B、表观密度小
C、保温性好
D、防水性好
E、易加工
参考答案：B, C, E
_____, a form must be filled in.
A．To ask for his job
B．In order to get his job
C．Making request for his job
D．If you want to get this job
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