单选题：What are their research findings based on?

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What are their research findings based on? A．A survey on farmers in northern Japa
B．Tests performed on a thousand old peopl
C．The study of brain volumes of different peopl
D．The latest development of computer technolog

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请选择（14）处的最佳答案．

请选择（14）处的最佳答案．A．draw B．drew C．to draw D．drawn

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请选择（8）处的最佳答案．

请选择（8）处的最佳答案．A．patients B．patience C．patrician D．patriot

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People living in the Middle East first learned to grow plant

People living in the Middle East first learned to grow plants for food about 10,

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He is always under the weather.

He is always under the weather.A．traveling B．sick C．away D．unconscious

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It is almost impossible to forecast the future development o

It is almost impossible to forecast the future development of a very young child

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