卵泡膜细胞上有（）
A.LH受体
B.FSH受体
C.睾酮
D.孕烯醇酮
E.雄烯二酮
参考答案：A
______ in the queue for half an hour, Tom suddenly realized that he had left his wallet at home.
A．To wait
B．Have waited
C．Having waited
D．To have waited
烧伤感染最常见的革兰阳性条件致病菌是
A．COB．醛C．氰化物D．CO 2E．芥子气
