结核病的过敏反应可引起()。
A.多发性关节炎
B.大咯血
C.呼吸困难
D.患侧胸痛
E.以上都不对
参考答案:A
机舱以后的压载支管布置在:()
A.双层底内
B.内底板上
C.管隧内
D.轴隧内
According to some scientists, the computer will do much harm to people's health as smoking and drugs do.
A.does much harm...smoking
B.will do as much harm...cigarettes
C.will do so much harm...smoking
D.does as much harm...cigarettes