Adam Rappoport has the same familiarity with a keyboard as well as the touch-ton

游客2023-09-03  27

问题 Adam Rappoport has the same familiarity with a keyboard as well as the touch-tone pad on the phone. [br] 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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