21. It is an oversimplified view of cattle raising to say that all one has to do with cattle is leave them alone while they feed themselves, corral them, and to drive them to market when the time is ripe.
(C) all one has to do with cattle is leave them alone while they feed themselves and then corral them and
(D) the only thing that has to be done with cattle is leave them alone while they feed themselves, corral them, and
为什么不能选d要选c
22. Although dozens of New York's small museums are either devoted to local history or various ethnic groups, there are many one-of-a-kind museums from Manhattan to the Bronx that are open for exploration on summer weekends.
(C) Dozens of New York's small museums are devoted to local history or various ethnic groups, but there are
(D) Dozens of New York's small museums are devoted to local history or various ethnic groups, and there are also
答案是d为什么不能选c
Although and but 是仇家。只能有一个活着???
第22题没有同时although 和but出现的选项,有另外的解释吗,还有第21题谢谢
21:先说D肯定不对,the only thing(singular) has to be done is do A, do B and do C (plural) 在语法上和逻辑上都是明显错误。
选C的原因: 固定搭配 -- all one has to do is do A, do B and do C.
22. but表示转折关系,转折要求前后概念对应,small(应该对应large)和one-of-a-kind(对应integrative)不能对应,二者的关系应该是并存,即and。
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