— In our English study reading is more important than speaking, I think.

— I don’t agree. Speaking is _______ reading.

A．as important as

B．so important as

C．the most important

D．not as important as

造成唐山大地震死亡人数众多的原因不包括（）。

A、发生在夜间

B、木制房屋易倒塌

C、人口密集

D、房屋使用了水泥预制板