it was closing some unneeded operations, and grounding
译文:航空公司遵照最近的警告它可能会开始减少服务而宣布它将会减少喷气机服务到九个城市,关闭不需要的操作和停飞22架飞机。
分析:平行并列结构,形式要对称.所以本题答案是B eliminating, closing and grounding 本题重点考查平行并列结构.都是航空公司做的三个动作。
例2 The list of animals that exhibits a preference of either using the right or the left hand has been expanded to include the lower vertebrates.
exhibits a preference of either using the right or the left hand has been expanded to include
exhibits the preference to use either the right or the left hand has been expanded and includes
exhibit a preference in either using the right or the left hand has been expanded to include
exhibit a preference for using either the right or the left hand has been expanded to include
exhibit the preference as to either using the right or the left hand has been expanded and includes
译文:动物展示出用左手或右手等的列表已经进一步的扩大到了更为低等的脊椎动物
分析:定语从句的主谓一致取决于所修饰对象.前面出现的是animals 所以应该是复数.答案只能在CDE中产生.either or 要求形式是要对称. 而C和E选项中出现了either using or the left表达错。
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