◎ 题干
Research has been limited to ____ production profits, rather than ____ that GM foods are safe.
A.increasing; make sureB.increasing; making sure
C.increase; make sureD.increase; making sure
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据n多题专家分析,试题“Research has been limited to ____ production profits, rather than ____ that GM foods are safe.A.increasing; make sureB.increasing; making sure C.increase; ma…”主要考查了你对  【动词短语】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。