二级预防的内容不包括（）
A.早期发现
B.早期诊断
C.早期治疗
D.康复治疗
E.筛检和个案发现
参考答案：D
—Excuse me. Could you please tell me ________ ?
—Sure. Go straight ahead. It is on your left.
A．where the bookstore is
B．where is the bookstore
C．how I got to the bookstore
D．how can I get to the bookstore
分解因式：a3-ab2=（ ）。
