黏土前戗戗顶应高出水面约()m或不小于1m。
A.1
B.2
C.3
D.4
参考答案:A
—I say, Harry. What did you say to the laid-off worker just now?
—Nothing. I to myself.
A.had only talked
B.am only talking
C.have just talked
D.was just talking
下列符合中等量胸腔积液X线表现的是()
A.上缘呈外高内低的弧线影
B.上肺野均匀致密阴影
C.上缘呈水平线影
D.肋膈角变钝
E.纵膈向健侧移位