精神病可以通过自我调节、他人疏导等方式进行治疗。
参考答案：错
With all his attention ________ on his experiment, he has no time to spend with his family. [ ]
A. paid
B. focused
C. attracted
D. settled
按不同的产业分类，第一产业为农业，第二产业为工业，第三产业为（）。
A、服务业
B、国防业
C、多种经营业
D、化工业
