2. 外语
  3. A new laptop costs about______of a second-hand one.

A new laptop costs about______of a second-hand one.

admin2013-10-25  51
问题 A new laptop costs about______of a second-hand one.
选项 A、the price of three times
B、three times the price
C、as much as the three times price
D、three times more than the price
答案B
解析 倍数表达题。英语中常用的倍数表示法有(1)主语+谓语+倍数(或分数)+as+adj．+as。例如：I have three times as many as you．(我有你三倍那么多。)(2)主语+谓语+倍数(分数)+the size (amount，length…)of…。例如：The earth is 49 times the size of the moon．(地球是月球的49倍大。)(3)主语+谓语+倍数(分数)+形容词(副词)比较级+than…。例如：The grain output is 8 percent higher this year than that of last year．(今年比去年粮食产量增加8％。)(4)还可以用by+倍数，表示增加多少倍。例如：The production of grain has been increased by four times this year．(今年粮食产量增加了4倍。)本句是第二种表示倍数关系的用法。
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