米酒是农村孩子爱吃得食品，保管不善香甜米酒会变得有点酸，怎么办？
参考答案：
在煮米酒时放适量碱粉，使酸味中和。
可快速软化耵聍，常作为耵聍栓塞首选药的是（）。
A.3%过氧化氢溶液滴耳剂
B.1%水杨酸酒精滴耳剂
C.5%碳酸氢钠滴耳剂
D.2%酚甘油滴耳剂
E.0.3%氧氟沙星滴耳剂
Volunteer team mostly _______ university and middle school students. They will mainly provide languages voluntary services.[ ]
A. consists of
B. belongs to
C. thinks of
D. leads to
