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The author holds that further ocean exploration mostly relies on______.
A．human intellect
B．cost reduction
C．development of technology
D．participation of more nations

A.
A．human
B.cost
C.development
D.participation

【参考答案】

A
细节题。本题解答主要依据第二、三段的相关内容。作者在第二段指出，仅有技术的提高是不够的，人类的智慧和能力是机......

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