题目内容
7．So quickly_______is a possibility today may be a reality tomorrow．（ ）| A． | are science and technology advancing that | |
| B． | science and technology advancing are that | |
| C． | are science and technology advancing that what | |
| D． | science and technology are advancing what that |
分析 科学技术发展如此之快以至于今天有可能的事情明天就可能成为现实．
解答 答案：C．
在"so+形容词/副词+…that…"句型中"so+形容词/副词"置于句首，主句主谓部分需部分倒装，故排除B、D两项；that引导结果状语从句，该状语从句又含一主语从句，即"________is a possibility today"，该从句缺少主语，且表示"事物"，故用what引导．综上所述答案为C项．
点评 对于倒装结构的用法要多总结，结合具体的句子语境进行认真分析，综合考虑后作出最后的判断．
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8．Swapping Houses for Vacation
When budgeting for a vacation，usually the most expensive part of the trip is the accommodations．The traditional way to take a vacation is to pack some bags，lock up the house，and travel to a new place to stay in a hotel．However，hotels are very expensive，and with rent or housing loan（贷款）due every month，it's difficult for most people to pay for yet another place to stay．（71）C Luckily，there is a substitute called house swapping，and it's saving tourists a great deal of cash．
（72）D For example，if a couple from New York want to spend a week in Paris，they would place an ad offering to trade their New York apartment for one in Paris for a week．If a Parisian couple that want to vacation in New York read the advertisement，houses can be swapped，and both couples save hundreds，if not thousands，of dollars by avoiding big-city hotel fees．If all goes well，both couples can post positive reviews of the other's home online so that potential travelers can see that everything was fine．（73）G This builds a community of people who want to help each other out．
There are other advantages co house swapping as well．（74）F Staying at someone's home puts you in a neighborhood that can give you a better representation of the life and culture in the place you're visiting．（75）E The next time you want to spend your vacation in a new place，but don't want to pay a fortune，check what's posted online and find a house to swap．
When budgeting for a vacation，usually the most expensive part of the trip is the accommodations．The traditional way to take a vacation is to pack some bags，lock up the house，and travel to a new place to stay in a hotel．However，hotels are very expensive，and with rent or housing loan（贷款）due every month，it's difficult for most people to pay for yet another place to stay．（71）C Luckily，there is a substitute called house swapping，and it's saving tourists a great deal of cash．
（72）D For example，if a couple from New York want to spend a week in Paris，they would place an ad offering to trade their New York apartment for one in Paris for a week．If a Parisian couple that want to vacation in New York read the advertisement，houses can be swapped，and both couples save hundreds，if not thousands，of dollars by avoiding big-city hotel fees．If all goes well，both couples can post positive reviews of the other's home online so that potential travelers can see that everything was fine．（73）G This builds a community of people who want to help each other out．
There are other advantages co house swapping as well．（74）F Staying at someone's home puts you in a neighborhood that can give you a better representation of the life and culture in the place you're visiting．（75）E The next time you want to spend your vacation in a new place，but don't want to pay a fortune，check what's posted online and find a house to swap．
| A．House swapping is most common in New York and Paris． B．Hotels are often quite difficult to book when you want to explore a new home． C．A lot of times，this extra cost prevents travelers from going very far from home． D．To swap houses，people check the Internet for others planning to travel and trade homes． E．With many house swapping sites growing，this new phenomenon is becoming easier than ever． F．Hotels are often located where few people live，making them a strange place to experience a city． G．On the other hand，if there were trouble，people could write about that to wan others not to trust the swappers． |