行政法规、规章和作为行政管理依据的规范性文件通过后,应当在()上公布。
A、普遍发行的报刊
B、政府布告栏
C、政府公报
D、政府网站
参考答案:A, B, C, D
Having a trip abroad is certainly good for the old couple, but it remains _____ whether they will enjoy it. [ ]
A. to see
B. to be seen
C. seeing
D. see
抑制输卵管收缩振幅的激素是
A.人绒毛膜促性腺激素B.人胎盘生乳素C.雌激素D.孕激素E.前列腺素