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【单选题】
小组结束期活动设计的重点应该是（ ）。A.
共同合作、打破小组僵局
B.
深度剖析、探索自我
C.
巩固学习成果、催促小组结束
D.
增加信任、发掘潜能
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皮皮学刷刷变学霸
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【单选题】Last summer, some twenty-eight thousand homeless people were offered shelter by the city of New York. Of this number, twelve thousand were children and six thousand were parents living together in fam...
A.
more people in families than single persons
B.
about six thousand families
C.
3 children in family
D.
more families with two parents than one
【单选题】Quanzhou is a city with many places of interest. _______ tourists came here every year.
A.
Thousand of
B.
Thousand
C.
Thousands of
【单选题】Because of Project Hope, _____ children have better lives. [ ]
A.
thousand
B.
thousands
C.
thousand of
D.
thousands of
【单选题】关于制动时车轮的滑移率,说法正确的是:
A.
车轮滑移率为20%左右时,车轮与路面之间有最大的附着系数
B.
车轮纯滚动时滑移率为100%
C.
车轮抱死时滑移率为0%
D.
滑移率与附着系数无关
【单选题】Every year, _______ people go to visit their factory. [ ]
A.
a thousand of
B.
thousands
C.
thousand of
D.
thousands of
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