如图所示的四种情景中,属于光的直线传播的是[ ]
A.
B.
C.
D.
答案:A
— My mother is preparing my favorite dishes. Go with me and have a taste, okay?
— _____. And I'll be glad to meet your parents. [ ]
A. I think so
B. I'd love to
C. I'm sure
D. I hope so
* * 的主要原因不包括()。
A.社会主义建设经验不足
B.历史惯性
C.制度不完善
D. * * 国际的解散