The author says children in the city seldom went to the woods and the fields because ______.
A. all these places were too far away for them to go
B. it was impossible for them to go and get back in one day
C. they were not old enough to take such a trip
D. they were not permitted to go to these places
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某灌溉泵站装机功率为12000kw，装机流量为150m3／s，该站的工程规模为（）。
A. 大（1）型
B. 大（2）型
C. 中型
D. 小（1）型
The best title for the passage might be ______.
Advertising Since the War
B. Advertising and Manufacturers
C. Advertising--England' s Biggest Industry
D. Advertising and Purchasers
水利工程保修期从工程移交证书写明的工程（）日起计算。
A. 完工
B. 竣工
C. 验收
D. 使脂
In the second paragraph, the word "track" could best be replaced by which of the following
A. Band.
B. Rails.
C. Path.
D. Sequence.
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