内伤咳嗽的特点
A．多为久病
B．常反复发作
C．病程长
D．可伴它脏见证
E．以虚证为主
参考答案：A,B,C,D
装运含有毒害、腐蚀性货物的船舶，排放含有该物质的洗舱水，应距最近陆地多少海里以外，水深多少米以上？
Although the working mother is very busy , she still _______a lot of time to her children . [ ]
A. spends
B. offers
C. devotes
D. provide
