1. Developing nations in various parts of the workd have ammassed $700 billion in debts;at stake, should a significant number of these debts be repudiated, is the solvency of some of the world;s largest multinational banks. (a)should a significant number of therse debts be repudiated, is 是答案,但是我觉得逗号后面的主句缺少了主语,还有另有玄机呢? (b)should a significant number of these debts be repudiated, are (c)should they repudiate a significant number of these debts, are (d)if there is a repudiateion of a significant number of these debts, would be (e)if a significant number of these debts will be repudiated,is 2.The odds are about 4 to 1 against surviving a takeover offer, and many business consultants therefore advise that a company's first line of defense in eluding offers like these be to even refuse to take calls form likely corporate raiders. (a)that a company's first line of defense in eluding offers like these be to even refuse (b)that a company's first line of defense in eluding such offers be to refuse even 答案是这个,但是答案里的BE TO怎么理解呢? 3.In the minds of many people living in England, before Australia was Australia, it was the antipodes, the opposite pole to civilization, an ovscure and unimaginable place that was considered the end of the world. (a)before Australia was Australia, it was the antipodes (b)before there was Australia, it was the antipodes (c)it was the antipodes that was Australia (d)Australia was what was the antipodes (e)Australia wa what had been known as the antipodes 我选了这个,这个错在了哪里? 4.The number of undergraduate degrees in engineering awarded by colleges and universitiesin the United States increased by more than twice from 1978 to 1985 (a)increased by more than twice 我觉得原文的答案也不错呀,它有什么问题吗?不过看了答案后(C)的确更好 (b)increased more than two times (c)more than doubled 5.Any medical test will sometimes fail to detect a condition when it is present and indicate that there is one when it is not. (a)a condition when it it present and indicate that there is one (b)when a condition is present and indicate that there is one (c)a conditin when itis present and indicate that it is present (d)wehn a conditin is present and indicate its presence (e)the presence of a condition when it is there and indicate its presence 我觉得这个答案是平行对称的很好啊!有什么问题呢?
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