题目内容

A new study indicates that basic steps taken by people daily can go a long way in ____ the greenhouse gas emission.
A．cutting downB．taking down
C．pulling downD．breaking down
A

试题分析：考查动词短语：A. cutting down砍倒，减少，B. taking down放下，记下，C. pulling down推倒，拆毁，D. breaking down抛锚，出故障，句意：一项新的研究表明人们每天采取的措施离减少温室气体的排放还有很长的路要走。选A。
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