细胞学标本进行瑞氏染色的固定液是() A.95%乙醇 B.乙醚-乙醇固定液 C.Ca 发布时间:2017-08-22 21:10 │ 来源:www.tikuol.com 题型:单项选择题 问题: 细胞学标本进行瑞氏染色的固定液是()A.95%乙醇B.乙醚-乙醇固定液C.Carnoy固定液D.甲醇E.丙酮
题型:单项选择题 往保温瓶里灌开水的过程中,只听声音就能判断保温瓶里水位的高低,是因为( )A.随着水位升高,音调逐渐降低B.灌水过程中音调保持不变,响度越来越小C.随着水位升高,音调逐渐升高D.灌水过程中音调保持不变,响度越来越大 查看答案
题型:单项选择题 补全对话。A: What's the 1 ?B: It's seven o'clock.A: It's time 2 go to school.B: Let 3 go together.A: What's the first 4 ?B: Maths .A: 5 you like maths ?B: 6 , I do. And you?A: Me too. 查看答案