大气环境影响评价预测中,根据预测内容设定预测情景,不需考虑的是()。
A.地形条件
B.排放方案
C.预测因子
D.计算点
参考答案:A
---- You look tired.
---- Yeah, I ________ since 4 o’clock.
A.had played
B.have been playing
C.am playing
D.have been played
关于肺气肿X线表现,错误的是
A.横膈低平
B.肺透亮度降低
C.肺纹理稀疏
D.心影变窄小
E.肋间隙增宽