国产2号避孕药的成分()
A.炔雌醇+炔诺酮
B.甲地孕酮+炔雌醇
C.炔雌醇+左炔诺孕酮
D.炔雌醇+炔诺酮+醋酸甲地孕酮
E.炔雌醇
参考答案:D
One of the _of our planet's being warming up is an increase in the number of natural disasters.
[ ]
A. reasons
B. causes
C. result s
D. consequences
阴阳偏盛的治疗原则是()或()