2. 外语
  3. Adam Rappoport has the same familiarity with a keyboard as well as the touch-tone pad on the phone. A survey shows that the sal

Adam Rappoport has the same familiarity with a keyboard as well as the touch-tone pad on the phone. A survey shows that the sal

admin2013-01-22  67
问题 Adam Rappoport has the same familiarity with a keyboard as well as the touch-tone pad on the phone.
A survey shows that the sale rate of smart phones has grown ______ each year.
选项
答案doubly
解析 本题定位词是sale rate和smart phones，从而锁定Smart cell phones部分。该部分第二段第一句提到，The smart-phone market constitutes only a slender 5 percent of overall mobile phone sales today，but the figure has been doubling each year，according to the Gartner research firm。根据题干句的结构可知，空中应填入一个副词，故应将文中的doubling转换成为副词形式doubly。
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