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三完形填空(共15小题:每题2分,共30分。)-|||-通读下面的短文,掌握其大意。然后,从每小题的四个选择项中选出可填入相应空白-|||-处的最佳选项。-|||-Everyone likes things that are free,and businesses often give things for free to customers as a-|||-way of getting more people to pay attention to their products.-|||-Ariely,a scientist from MIT,did an experiment on what people would do when 21 things that-|||-were free.He 22 a group of students two kinds of chocolates: the good one for 15 cents each-|||-and the poor one for I cent each. The good chocolate was worth https:/img.cdnjtzy.com/zyb_557b2a25ac8de3a343859bd98b7ef80e.jpg,00,so 15 cents was very-|||-cheap 23 the poor quality chocolate was worth 5 cents,so 24 it for I cent wasn`t very-|||-cheap.-|||-Most people chose the high quality chocolate for 115 cents.That`s not a 25 But then Ariely-|||-lowered the 26 of both pieces of chocolate by I cent. If people were 27 correctly, then they-|||-should 28 choose the Guod quallty chocolate.But that 29 what happened. Most people-|||-chose the free chocolr.c.This doesn`t make sense in our 30 way of anderstanding econ-|||-behavior(经济行为)-|||-What is happening here/Ariely 31 that people want to get a good bargain,but they also want-|||-to reduce risk (风险)That is,they want to 32 the chance of making a 33 If you pay 14-|||-cents for a piece of chocolate,and then you don`t 34 like it,when you have it,you have lost-|||-14 cents.But when something is free and you don`t like it you haven`t lost anything. People-|||-would 35 not to take a risk over getting a better bargain.-|||-() 21.A.facing B.buying C.giving D.treating-|||-() 22.A.posted B.produced C.offered D.told-|||-() 23.A.if B.as C.for D.but-|||-() 24.A.getting B.holding C.eating D.making-|||-() 25.A.dream B.reason C.reply D.surprise-|||-() 26.A.weight B.size C.price D.quality-|||-() 27.A.working B.thinking C.planning D.looking-|||-() 28.A.still B.once C.almost D.even-|||-() 29.A.should be B.shouldn`t be C. is D.isn`t-|||-() 30.A.easy B.old C.normal D.modem-|||-() 31.A.questioned B.explained C. egreed D.added-|||-() 32.A.find B.learn C.lower D.take-|||-() 33.A.decislon B.mistake C.promise D.warning-|||-() 34.A.usually B.gradually C.certainly D.actually-|||-() 35.A.start B.prefer C.manage D.afford
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