没找到这题的讨论帖,只好重开。
1.
Some bat caves, like honeybee hives, have residents that take on different duties such as defending the entrance, acting as sentinels and
to sound a warning at the approach of danger, and scouting outside the cave for new food and roosting sites.
(A)
acting as sentinels and to sound
(B)
acting as sentinels and sounding
(C)
to act as sentinels and sound
(D)
to act as sentinels and to sound
(E) to act as a sentinel sounding
答案是B,OG的解释是说sounding, defending, acting, scouting是parallel的。那请问为什么这里sounding和scouting之前
都有and?并列成分不是最后一个词之前加and就可以了么?
请NN指教。
帮楼主顶一下。这个问题也困惑过我。
我觉得似乎A也没错啊。
那个小对比是一定要用的吗?我倒觉得更可以理解为“作为sentinal来发出警报”。
我的理解:
1)首先大结构是rock在上面提到的,没有问题
2)acting as sentinels and sounding, and sounding是否可以看做对sentinels的进一步说明?因为,我觉得这里并不是严格意义上的并列,而是用sounding来继续加强sentinel,不知这样理解是否正确?
另外,如果把acting asXXX和sounding XXX看做并列的话,那么B选项如果改成acting as sentinels, sounding是否正确呢?
请NN指点。
这里的acting as sentinel 和 sounding a warning的关系是并列的,不能改成楼上MM的写法。
都是补充说明defending the entrance的插入结构,要么同走要么同留。
这里的acting as sentinel 和 sounding a warning的关系是并列的,不能改成楼上MM的写法。
都是补充说明defending the entrance的插入结构,要么同走要么同留。
你的意思是acting as sentinel 和 sounding a warning是插入语???用来修饰defending的??
所以,这个句子的平行结构应该是defending, and scouting 平行。而,acting and sounding是插入。
对,其实去掉这个插入是这样的形式
such as defending the entrance and scouting outside the cave for new food and roosting sites
逗号也不要
噢,从来没想过可以这样的结构,多谢alohabrian的解释,现在清楚了
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