每一包件的取样量,粉末状药材抽取()
A. 5~10g
B. 15~20g
C. 25~50g
D. 50~100g
E. 100~500g
黄体功能不全是指
A. 下丘脑-垂体对雌激素的正反馈反应异常
B. 卵巢卵泡将近耗尽,对垂体促性腺素反应低下
C. 黄体孕激素分泌不足或过早衰退
D. 排卵期滤泡破裂使雌激素轻度下降
E. 黄体发育良好,但萎缩过程延长
A—Welcome aboard Delta Airlines. B—On behalf of Delta Airlines Captain Johnson and his crew welcome you aboard. C—Our flight to Japan will take approximately four hours. D—Let us remind you to fasten your seat belts, straighten your seats, and kindly refrain from smoking during take-off. E—Under your seat there is a life vest like this one for each of you. F—An oxygen mask will come down from overhead in case of an emergency. G—Please press the call button whenever you need any help. H—We’ ll take off soon. Please fasten your seat belt. ( )若发生紧急情况,头颈上会放下一只氧气罩来。
围绝经期功血病人,子宫内膜为
A. 增生期
B. 分泌期
C. 分泌功能不足
D. 蜕膜组织
E. 增生过长