单选题：In the study, researchers succeeded in determining how coffe

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  • 题目类型：单选题
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题目内容：
In the study, researchers succeeded in determining how coffee（　）different areas of the brain in 15 volunteers. A．integrated
B．motivated
C．illuminated
D．activated
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He was given major responsibility for operating the remote m

He was given major responsibility for operating the remote manipulator to（　）the

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