LDWS车道保持系统开始工作的车速必须大于（）公里/小时。
A.20
B.30
C.40
D.65
参考答案：D
根据句意及首字母或汉语提示完成句子.
1. I like_____(摇滚乐).
2. 1'11 go swimming on _____(星期天).
3. The little girl can play the_____ (钢琴) well.
4. Do you have an e-mail a _____?
5. I can't draw very well, but I can draw a l______
股癣好发于（）。
A.头皮
B.面部
C.下肢
D.会阴
E.躯干
