第3题: [单项选择]引起慢性肺源性心脏病的最常见病因是() A. 支气管扩张 B. 支气管哮喘 C. 肺尘埃沉着症 D. 慢支并发阻塞性肺气肿 E. 慢性弥漫性肺间质纤维化 参考答案:D 答案解析:引起慢性肺源性心脏病的病因包括:支气管肺部疾病,胸廓运动障碍性疾病,肺血管疾病等,COPD为最常见病因。
第4题: [填空题]Young school-age kids need reading to their parents, but it is not necessary for them to read together with their parents. 参考答案:N 答案解析:[题眼] Young school-age kids need reading to their parents,but it is not necessary for them to read to