肾岩翻花的发生与哪一因素关系最为密切：
A．包茎
B．性交不洁
C．遗传
D．营养不良
E．环境污染
参考答案：A
填空。
A: _____ play soccer, Li Lei.
B: It's _____ . But I _____ _____ a soccer ball.
A: Oh, that's a pity (真遗憾). _____ you _____ a basketball?
B: Yes, _____ .
A: Is your _____ in _____ room?
B: No, _____ _____ .
A: _____ it?
B: It's _____ my bedroom.
A: _____ , let's play basketball.
B: _____ _____ good.
肺癌因支气管阻塞引起的X线象征有（）
A.段或叶的局限性肺气肿
B.阻塞性肺炎
C.段或叶肺不张
D.弥漫性阻塞性肺气肿
E.肺纹理呈残根样改变
