当蓄电池的放电率（）10小时放电率时，电池实际放出容量较小。
A、高于
B、低于
C、等于
参考答案：A
-I'm sure Andrew will win the first prize in the final.
-I think so. He________for it for months． [ ]
A. is preparing
B.was preparing
C. had been preparing
D.has been preparing
催化裂化再生器分布器的主要作用是使流化床充分流化，创造一个良好的烧焦条件。
