静脉脂肪乳注射液中含有甘油2.5%(g/ml),它的作用是A.等张调节剂 B.乳化剂 发布时间:2018-01-05 02:02 │ 来源:www.tikuol.com 题型:单项选择题 问题: 静脉脂肪乳注射液中含有甘油2.5%(g/ml),它的作用是A.等张调节剂B.乳化剂C.溶剂D.保湿剂E.增稠剂
题型:单项选择题 _______ the classroom, the teacher found all the parents already______ there. [ ]A. Entered; seated B. Entering; seating C. Entered; seating D. Entering; seated 查看答案
题型:单项选择题 Her brother___ while he ___ his big horse and had his leg broken.A.fell; was ridingB.fell; rideC.had fallen; was ridingD.had fell; rode 查看答案