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Science and technology have in important ways to the improvement of agricultural production.
A)witnessed B) assisted C)attached D)contributed
答案
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A.with
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第3题
Science and technology have ___ in important ways to the improvement of agricultural production.
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Generous public funding of basic science would _________ considerable benefits for the country’s health, wealth and security.
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第10题
Science and technology have ___ in important ways to the improvement of agricultural production.
A) attached B) assisted C) contributed D) witnessed
