23、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 來源： 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 來源：福建省安溪一中、惠安一中、養(yǎng)正中學2010-2011學年高二下學期期末聯考英語試題 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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