男，28岁，咳嗽3月，伴咳痰，胸片如图，最可能的诊断是（）
A.肺结核并播散
B.支气管肺炎
C.慢性支气管炎
D.肺慢性纤维化
E.肺癌
参考答案：A
US and allied officials have said they have seen no credible evidence of civilian casualties(伤亡)from the air campaign,and they say that precision weapons are used in the strikes in an effort to （）being hurt.
A．prevent civilians on
B．prevent civilians from
C．Prevent civilians to
D．Prevent civilians in
开挖深度超过( )时，特别是在街道、居民区、行车道附近开挖土方时，不论深度大小都应视为高处作业，并设置警告标志和高度不低于( )的双道防护栏，夜间还要设红色警示灯。
A．2m、1.3m B．3m、1.2mC．2m、1.2m D．3m、1.3m
