腹外斜肌腱膜形成的结构是（）。
A.腹股沟镰
B.腹股沟韧带
C.腹股沟管深环
D.提睾肌
E.精索内筋膜
参考答案：B
ADEM多发生于_________、_________或_________。
Don't worry. We have _____ money to buy three air tickets. [ ]
A. many
B. little
C. plenty of
D. a plenty of
