与月经先后无定期的发生密切相关的脏腑是()
A.肝、肾、脾
B.肾、心、肝
C.脾、肾、心
D.肾、肝
E.肾、脾
参考答案:A
He was the most important basketball player in the world ________.[ ]
A. in 1990s
B. during the 1990
C. during the 1990s
D. in the 1990
阻火器主要由壳体和滤芯两部分组成,其内部装有许多铜、铝或其它()金属制成的丝网或皱纹板。
A、耐高温
B、耐低温
C、高热容量
D、低热容量