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【单选题】
对某市高等学校科研所进行调查,统计总体是( )A.
某市所有高等学校
B.
某一高等学校科研所
C.
某一高等学校
D.
某市所有高等学校科研所
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皮皮学刷刷变学霸
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【简答题】烟草花叶病毒是如何传播的?
【单选题】The study at a University of Florida indicated that ______.
A.
people of normal weight enjoyed longer lifespan than obese people
B.
the overweight people at 65 lost more on health-care over the rest of their lives
C.
the overweight people would cost 6~ to 13~ more than normal people
D.
the overweight people paid more health-care insurance than normal people