葡萄胎预防性化学治疗,首选药( ) A.氟尿嘧啶 B.环磷酰胺 C.甲氨蝶呤 D. 发布时间:2017-07-23 06:31 │ 来源:www.tikuol.com 题型:单项选择题 问题: 葡萄胎预防性化学治疗,首选药( )A.氟尿嘧啶B.环磷酰胺C.甲氨蝶呤D.氟尿嘧啶+更生霉素E.联合治疗
题型:单项选择题 在8字盲板调向时应具备的条件中,下列表述不正确的是()。A.系统检修结束B.盲板两侧都已进行氮气置换合格且微正压C.盲板两侧没有压力或微正压D.盲板两侧原则上不会有大量油溢出 查看答案
题型:单项选择题 He didn’t make ______clear when and where the meeting would be held?A.this B.that C.it D.these 查看答案
题型:单项选择题 Although he knew little about the large amount of work done in the field, he succeeded _____ other more well-informed experimenters failed. [ ]A. which B. that C. what D. where 查看答案