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题库 / Prep2007E2-CR-45
The recent decline in the value of the dollar was triggered by a prediction of slower economic growth in the coming year. But that prediction would not have adversely affected the dollar had it not been for the government's huge budget deficit, which must therefore be decreased to prevent future currency declines.
Which of the following, if true, would most seriously weaken the conclusion about how to prevent future currency declines?
The government has made little attempt to reduce the budget deficit.
The budget deficit has not caused a slowdown in economic growth.
The value of the dollar declined several times in the year prior to the recent prediction of slower economic growth.
Before there was a large budget deficit, predictions of slower economic growth frequently caused declines in the dollar's value.
When there is a large budget deficit, other events in addition to predictions of slower economic growth sometimes trigger declines in currency value.
D选项，deficit出现之前，prediction of slower economic growth就会导致贬值，因此削弱了题干结论，正确。
E选项，deficit还是最终原因，只不过deficit导致的直接后果不是prediction of slower economic growth，而是其它因素。并没有削弱原文结论“deficit才是贬值的根因”。
for表示"如果不是……的话"
原文在美元贬值、经济放缓的预期以及预算赤字间建立了联系，要求削弱，就是要削弱这种联系
D，在预算赤字之前，预期就会导致美元贬值
for表示"如果不是……的话"
如果没有财政赤字，经济放缓的语言就不会对美元有反面影响（即没有赤字，后美元不贬值）
If it weren't/hadn't been for …以及其倒装结构were it not for/had it not been for表示"如果不是……的话" 。
本文的意思是。人们认为growth降低的预期，会使美元贬值。但是，要不是budget deficit，这个预期也不会使得美元贬值。也就是这个budget deficit才是使得美元贬值的真正boss（这句话也是结论）。选D：没有你这个boss，growth降低的预期依旧能使美元贬值。
没有理解题意
But that prediction would not have adversely affected the dollar （had it not been for the government's huge budget deficit）结论认为是deficit造成的dollar贬值
h a d it not been for, 要不是
要不是财政赤字，prediction不会造成货币贬值
d选项，budget deficit之前，prediction频繁造成货币贬值
h a d it not been for, 要不是
要不是财政赤字，prediction不会造成货币贬值
d选项，budget deficit之前，prediction频繁造成货币贬值
choice d, budget deficit之前，prediction导致了currency下降
选项d撕破这层关系→没发生budget deficit，单靠predictions货币也可能贬值。
错选E，E是在budget deficit的前提下，说除了predictions还有其他因素导致贬值。但原文的重点其实是budget deficit和贬值的关系，而不是其他因素和贬值的关系。反之，E选项不能回答没有budget deficit的情况下，是否可能贬值，那就不能直接削弱或加强budget deficit和贬值的联系，所以错。
the reason why choice (b) is irrelevant is that this is not an argument about the causes of economic growth; it's an argument about the causes of the decline in the value of the dollar.
没有政府的大额财政赤字，预测不会对货币产生影响，也就是说政府的大额财政赤字会使得预测对货币产生影响，因此减少赤字就可以避免货币贬值。题目把政府的大额赤字和美元贬值联系起来。
D选项说没有赤字的时候也贬值了，说明两者之间没有关系。
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