社区预防保健的特点不包括()。
A.针对性
B.系统性
C.群众性
D.艰巨性
E.长期性
参考答案:A
Your daughter passed the piano exam excellently, ________, she did very well in the exam. [ ]
A. in the end
B. on the other hand
C. in other words
D. at the same time
下面哪种疾病是慢性肺源性心脏病的最常见原发病()
A.支气管哮喘
B.肺结核
C.慢性支气管炎并发阻塞性肺气肿
D.支气管扩张
E.胸廓畸形