Dental caries and gingivitis can be exacerbated not only by the foods patients eat but also by when the patients eat them.
(A) not only by the foods patients eat but also by when the patients eat them
(B) by not only the foods patients eat but also by when the patients eat them
(C) not only by the foods patients eat but also by time when the foods are eaten
(D) by not only the foods that are eaten by patients but also by the times the foods are eaten
(E) not only by what patients eat but also by when they eat it
请问各位应该选哪项？为什么？我不同意书面答案，觉得没有参考价值。
E
not only by what...but also by when...
很漂亮
你的意思？
根据句意,不是所有食物都会让病情加重,所以决定病情加重的是"病人吃了什么",而不是"病人吃的食物";用WHAT更能强调并和WHEN平行.
再者,A选项里WHEN后面的THE PATIENT完全可以用THEY来指代.
也是,by when they eat them不可以. 哈哈.
E的it可以省略么？我觉得一个都不对。
病人吃了什么食物和什么时候吃的食物是加重病情的原因.
IT不能省略.
我第一个弹开的是A。如果前面用by the foods 后面应该用by the time，你觉得呢
E 太累赘，如果去掉it 就完美了
it之所以不能去掉,是要说明吃"what"的时间.
食物的品种和吃这个食物的时间决定了病情是否加重.如果不要it的话,就会变成食物的品种和病人吃饭的时间决定病情.
所以it的存在会让句子的逻辑更加严密.
73. The British Admiralty and the War Office met
in March 1892 to consider a possible Russian attempt to seize
and how they would have to act militarily to deal with them.
(A) how they would have to act militarily to deal with them
(B) how to deal with them if military action would be necessary
(C) what would be necessary militarily for dealing with such an event
(D) what
military action would be necessary in order
to deal with
such an event
(E) the necessity of what kind of military action in
order to take for dealing with it
In choices A
and B, the pronoun them has no antecedent; furthermore, the clause in B must take should
rather than would. In C, necessary militarily is awkward and
vague. E is wordy and garbles the meaning with incorrect word order. Choice D
is best: its phrasing is clear, grammatical, and idiomatic. Moreover, D is the
choice that most closely parallels the construction of the nonunderlined
portion of the sentence. The sentence states that the Admiralty and the War
Office met to consider x and y, where x is the noun phrase a
possible Russian attempt. D provides a noun phrase, military action,
that matches the structure of x more closely than do the corresponding
noun elements in the other choices.
理解了，谢谢
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