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【判断题】
统计整理就是只对统计调查所取得的原始资料进行加工、整理,提供综合统计资料的工作过程。A.
正确
B.
错误
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【单选题】紫茎泽兰具有生长迅速、繁殖力强、光合效率高、能产生毒素抑制其他植物的生长、并能毒害动物等许多特点。试判断引入紫茎泽兰后对生态系统的影响( )
A.
A增加生态系统中物种的多样性
B.
B提高生态系统中能量的传递效率
C.
C改变其他物种的生活习惯
D.
D改变生态系统的营养结构
【单选题】I don't want to use Mary's ball-pen because I don't like _________ .
A.
that ball-pen of hers
B.
that her ball-pen
C.
her that ball-pen
D.
that hall-pen of her
【简答题】供人食用的冻的鸡胗
【简答题】i don't want her to use my computer, so i set a long _____ on my computer.
【单选题】I don't want to use Mary's ball pen because I don't like( ).
A.
that ball pen of hers
B.
that her ball pen
C.
her that ball pen
D.
that ball pen of her
【简答题】听句子，从下列选项中选出与所听句子意思最相近的一个。 ( )1. A. I don't want to buy any books. B. I have enough money for these books. C. I have paid for these books. D. I can't buy these interesting books without money. ( ...
【简答题】冻的鸡胗
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