石灰石()是造成仓不下粉的主要原因。
A.破碎
B.自燃
C.化学成分分解
D.结块
参考答案:D
I can't spend _____ money on the car which is _____ expensive for me. [ ]
A. too much, much too
B. far too, too much
C. much too, too much
D. too many. much too
汞含量专项检测由国家质检总局核准实施进出口电池产品汞含量检测的实验室实施并出具《进出口电池产品备案书》。