用白酒浸提药材而得的澄明液体制剂称为() A.合剂 B.露剂 C.酒剂 D.乳剂 E 发布时间:2017-06-02 16:32 │ 来源:www.tikuol.com 题型:单项选择题 问题: 用白酒浸提药材而得的澄明液体制剂称为()A.合剂B.露剂C.酒剂D.乳剂E.酊剂
题型:单项选择题 钓鱼时不能大声喧哗,因为鱼听到人说话声就会被吓走,这说明( )A.声音从空气传入水中,音调发生了变化B.只有空气能传播声音C.声音在水中的速度比在空气中的速度小D.空气和水都能传播声音 查看答案
题型:单项选择题 Mr. Blake __________my letter, otherwise he would have replied by now.A.will not have receivedB.needn’t have receivedC.shouldn’t have received D.couldn’t have received 查看答案