最早论述妇人阴痒是虫蚀所为的著作是()
A.《金匮要略》
B.《肘后备急方》
C.《诸病源候论》
D.《备急千金要方》
E.《妇人大全良方》
参考答案:C
No matter how much time I spend planning a class, little things still _____ go wrong. So I had no perfect class and I reflected all the time.
A.deliberately
B.obviously
C.originally
D.occasionally
简述呼叫追踪的条件。