23、Science and technology have ____ in important ways to the improvement of agricultural production.
A． connected B． assisted C． contributed D． witnessed
23、C
科目：高中英語(yǔ) 來(lái)源： 題型：
Science and technology have ____ in important ways to the improvement of agricultural production.
A． connected B． assisted C． contributed D． witnessed
科目：高中英語(yǔ) 來(lái)源：福建省安溪一中、惠安一中、養(yǎng)正中學(xué)2010-2011學(xué)年高二下學(xué)期期末聯(lián)考英語(yǔ)試題 題型：016
Science and technology have in important ways _________ the improvement of agricultural production．
A．contributed to
B．resulted from
C．carried off
D．handed over
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