Whether ways will be found to stop pollution or not is just___________ worries the public.

A. why            B. which           C. that          D. what

D


解析:

本題為what引導的表語從句，從句中缺少主語，所以用what。

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科目：高中英語 來源：山東省濰坊市2010屆高三下學期第二次模擬考試英語試卷 題型：閱讀理解


D
Taste is suc．h a subjective matter that we dori't usually conduct preference tests for food． The most you can say about anyone's preference is that it's one person's opinion．But because the two bigcola companies-Coca-Cola and Pepsi Cola-are marketed so aggressively, we've wondered how big arole taste-preference actually plays in brand loyalty．We set up a taste test that challenged people who identified themselves as either Coca-cola or Pepsi fans: Find your brand in a blind tasting．
we inwited staff wolunteers who had a strong liking for either Coca-Cola Classic or Pepsi, Diet Coke．or Diet Pepsi．These were people who thought they'd have no trouble telling their brand from the oLher brancl．
We eventuallv located 19 regular cola drinkers and 27 diet cola drinkers．Then we fed them with four unidentified samples of cola one at a time, regular colas for the one group, diet versions for the other．rOVe asked them to tell us whether each sample wa．s Coke or Pepsi; then we analyzed the records statistically to compare the participants' choices \~-ith what mere guesswork could have accom-plished．
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72．The statistics recorded in the preference tests show that         
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B．few people had trouble telling Coca-Cola from Pepsi
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B．blind tasting is necessary for identifying fans
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