一列从杭州开往上海的火车本应9:50到达,现在要晚点20分钟.到达的时间应是______.
9时50分+20分=10时10分;
故答案为:10:10.
完成下列对话:(每空2分,共10分)
A: Good afternoon, Mrs. 小题1:_____________________?
B: I’d like to buy a white dress. Do you have any white dresses?
A: Yes. 小题2:________________________?
B: Size “M”.
A: Please try on this dress. 小题3:___________________?
B: Yes, it fits me well, but I don’t like this style? 小题4:________________________?
A: Yes, we do. What about this one?
B: I like it very much. 小题5:_______________?
A: 180 yuan.
B: OK. I’ll take it.
在某正交试验中,有三因子三水平的试验,假定因子间无交互作用,则应选择的正交表是( )。
A.L16(215)
B.L4(23)
C.L16(45)
D.L9(34)