电池容量用什么符号表示?()
A.“A”
B.“B”
C.“C”
D.“D”
参考答案:C
________ the jewels were locked in a strong box,the thieves stole them without any difficulty.
A.If
B.Unless
C.Although
D.Because
在水液代谢中起主宰作用的是()
A.肝
B.心
C.脾
D.肺
E.肾