急性肺脓肿最主要的临床表现是：（）
A.咳嗽、咯血
B.急起胃寒、发热
C.剧烈胸痛
D.干湿性啰音
E.咯大量脓臭痰
参考答案：E
---- ______plastic bags we use, _____ it will be to the environment.
---- I agree ________ you.
A．The less; the better; with
B．The fewer; the better; with
C．The less; the worse; to
D．The fewer; the worse; to
平行承发包模式下的监理模式有( )种。
A．1
B．2
C．3
D．4
