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【单选题】
生活污染源 与其他 污染源相比,最大 的 特点是 ( )A.
污染物 多为 无毒的无机盐
B.
污 水 中 含有 大量重金属
C.
污水 中 含有 农药
D.
无法进行净化处理
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反馈参考答案：
举一反三
【多选题】In stud joint, the length ,Bm of metal end depends on material connected.
A.
Bm=d, for steel
B.
Bm=1.25d or 1.5d for cast iron
C.
Bm=2d for aluminum
D.
Bm=0.5d for steel
【单选题】The movie directed by a not-very-famous director has ___________ all box office records.
A.
smashed
B.
smashing
【单选题】The movie directed by a not-very-famous director ____ all box office records.
A.
contested
B.
smashed
C.
coined
D.
furnished
【单选题】—What do you think of the movie Spielberg directed last year? —I don't like the story in it very much, but I think _____ of the music. [ ]
A.
a great deal
B.
a good many
C.
quite a few
D.
a large number
【单选题】—Did you see the new movie directed by that famous director? It’s said to be ___ great fun. ---No, I have been busy repairing all the broken office___ these days.
A.
a, equipment
B.
the, equipment
C.
/, equipments
D.
/, equipment
【单选题】— Have you seen the movie The King's Speech ? — No. Who _____ it? [ ]
A.
had directed
B.
has directed
C.
directed
D.
directs
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