用人体秤测量人的体重使用的是()。
A、直接比较测量法
B、直接测量法
C、间接测量法
D、动太测量法
参考答案:B
使宫颈口松弛的是
A.雌激素B.孕激素C.雄激素D.促卵泡素E.黄体生成素
— Excuse me. Could you tell me _______?
— It will leave at 4:00 p.m.
A.how will you go to Beijing
B.how you will go to Beijing
C.when will the bus leave for Beijing
D.when the bus will leave for Beijing