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【单选题】
利用废弃的材料、能量与物质是什么原理的具体措施?A.
反馈原理
B.
借助中介物原理
C.
自服务原理
D.
复制原理
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反馈参考答案：
举一反三
【单选题】There is ________ information stored in the computer which is likely to break down at any moment.
A.
a large number of
B.
a great deal of
C.
a plenty of
D.
a great amounts of
【简答题】A．Future growth of college students in America is likely to be quicker. B．There are less than 2,000 universities or colleges in America now. C．America is far ahead of Europe for a very long time in hi...
【简答题】一、完成对话(填写 A B C) A . 即使冬天 B. 即使你们都不同意 C. 也要加班 1. A :你丈夫工作真忙! B :是啊!他即使星期天,( ) 。 2. A :你身体怎么这么好啊? B :( ) ,我也会每天锻炼身体。 3. A :你一定要跟他结婚吗? B :当然!( ) ,我也要和他结婚
【简答题】A．A company with erous working conditions is likely to be punished. B．There are altogether three departments which protect customers and workers. C．Stores dealing in foods and drugs are controlled...
【单选题】When a friend moves to a new house, there is likely to be a __________. ( )
A.
fundraising party
B.
housewarming party
C.
retirement party
D.
block party
【简答题】如图2所示,用10N的力握住重为5N的矿泉水瓶,使矿泉水瓶在竖直方向上保持静止此时矿泉水瓶受到的摩擦力为 N ,再将握力增大至20N,此时矿泉水瓶受到的摩擦力大小将 (填“变大”、“变小”或“不变”)。 图2
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