76. Never before had taxpayers confronted so many
changes at once as they had in the Tax Reform Act of 1986.
at once as many changes that there were with as many changes at once as they confronted in so many changes at once that confronted .
them in
Verb form + Idiom
This sentence compares changes before and after 1986. The correct idiom for the kind of comparison
shown here is
as many ... as. Two periods in time are
compared, and the verbs must reflect the difference. The period before 1986 requires the past perfect, had confronted, because it is the earlier of the two; the period beginning in 1986 requires the simple past, confronted, because it is the later.
A So many ... as is not the correct idiom; had is the wrong verb tense
B At once is awkwardly placed; a clause must follow as to complete the sentence
C At once is awkwardly placed; as many ... that is not the correct idiom; there were with is awkward and wordy
D Correct. This sentence uses the correct idiom as many ... as, and confronted is the appropriate verb tense.
E So many ... that is not the correct idiom; the subject of the verb should be they
The correct answer is D.
再看一下og11-59
59. His studies of ice-polished rocks in his Alpine homeland, far outside the range of present-day glaciers, led Louis Agassiz in 1837 to propose the concept of an age in which great ice sheets had
existed in now currently temperate areas.
(A) in which great ice sheets had existed in now currently temperate areas
(B) in which great ice sheets existed in what are now temperate areas
(C) when great ice sheets existed where there were areas now temperate
(D) when great ice sheets had existed in current temperate areas
(E) when great ice sheets existed in areas now that are temperate
In which or when can be used interchangeably in this sentence. The verb form here should be the simple past existed rather than the past perfect had existed. Now currently is redundant because both adverbs express the same idea.
A Had existed should be existed; now currently is redundant
B Correct. The simple past verb tense is correctly used in this sentence; now is placed and used correctly.
C Where there were areas now temperate is wordy and confusing
D Had existed should be existed; current should be
currently; in current temperate areas is unclear
E Now is an adverb and should be placed just after are
这是og指出的E的唯一的错误，那前面一题为什么又说ad位置不对呢？我晕了，nn救我
没有看出这两题有什么矛盾的地方
楼主再说清楚一点，对不起.......
我是说副词的位置，按59题不是应该放在动词后么，og说因为这个问题所以E才不对，那上面那题at once不是也应该放在confront后面么？虽然按语感我觉得应该放在charges后……
另外at once位置为啥说awkwardly placed，有副词放法的规则么？
是不是这个问题很白痴，不过我真有点晕
还是不太明白，短语类的只要放在一起就不考虑逻辑意思了么？
还有副词的位置，有一定的规则么？
副词的位置：
张道真英语语法的425页的说明：
总的感觉副词的位置非常灵活~~
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