22．Science and technology have in important ways to the improvement of agricultural production. ——青夏教育精英家教网—

摘要：22．Science and technology have in important ways to the improvement of agricultural production. A． attached B． contributed C． submitted D． referred

网址：http://m.1010jiajiao.com/timu_id_1697193[举报]

Science and technology have ____ in important ways to the improvement of agricultural production.

A． connected B． assisted C． contributed D． witnessed

查看习题详情和答案>>

Science and technology have in important ways _________ the improvement of agricultural production．

[　　]

A．contributed to

B．resulted from

C．carried off

D．handed over

查看习题详情和答案>>

试题分类