2. 外语
  3. Harry Potter is mentioned in the passage, because scientists Harry Potter’s invisibility cloak doesn’t have any real competitio

Harry Potter is mentioned in the passage, because scientists Harry Potter’s invisibility cloak doesn’t have any real competitio

admin2009-06-15  111
问题 Harry Potter is mentioned in the passage, because scientists
Harry Potter’s invisibility cloak doesn’t have any real competition yet, because
选项 A、scientists have not found out how his cloak works.
B、the cloaking device is a total failure.
C、the cloaking device works only for microwaves.
D、the cloaking device works only for visible light.
答案C
解析 A句在短文中没有提到；按文章的内容B不是正确的说法；文章最后一段说，And the device works only for microwaves，not for visible light，所以C是正确选择。
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