肺炎(pneumonia)
参考答案:
由不同病原体或其他因素所致的肺部炎症。以发热、咳嗽、气促、呼吸困难以及肺部固定湿啰音为共同临床表现。
45. With the rapid growth of population, the city______ in all directions in the past five years.
A.has been spread
B.has spread
C. spread
D.had spread
古代普遍推行的教学组织形式是______。