锁骨上下部位咳嗽后闻及湿啰音可见于（）。
A．慢性支气管炎
B．支气管哮喘
C．肺结核
D．支气管扩张
E．肺癌
参考答案：C
Although it ____ in the desert most of the year, people still live there. [ ]
A. doesn't rain
B. didn't rain
C. hasn't rained
D. hadn't rained
液NH3贮槽的充装系数为0.70t/Nm3，容积系统不超过90％。
