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【单选题】
(2013·重庆,32)The parents were shocked by ________ news that their son needed ________ operation on his knee.
A.
a;/
B.
the; /
C.
the; an
D.
a; an
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【简答题】物理性污染的特点为 、 、 和 。
【单选题】呼吸中有明显氨味见于( )
A.
尿毒症
B.
支气管扩张症
C.
肺脓肿
D.
肝昏迷
E.
有机磷农药中毒
【多选题】常见的视频格式有
A.
AVI
B.
FLV
C.
MP3
D.
MP4
【单选题】David studied hard before the examination, and it ______. He made an A. A. worked out  
B.
marked out  
C.
paid off
D.
got through
【单选题】病人呼吸有明显氨味,可见于
A.
有机磷农药中毒
B.
一氧化碳中毒
C.
尿毒症
D.
肝昏迷
E.
糖尿病酮症酸中毒
【简答题】物理性污染的特点,及与化学污染、生物污染相比有何不同?
【简答题】Rewrite the following sentences after the models, using “-ing participles”. She came up. She was holding a briefcase. 2. He rushed off. He forgot to take his raincoat. 3. I worked right through the se...
【单选题】The book might well have ______ had it been less expensive.
A.
worked out
B.
gone through
C.
caught on
D.
fitted in
【简答题】A.worked through B.worked at C.looked through D.passed through
【简答题】简述物理性污染的特点,及与化学污染、生物污染相比的不同。