2. 外语
  3. BIn this question, you are given that x > 0, and you are asked to compare 0.5% of x withx. Recall thatof a number is the same as

BIn this question, you are given that x > 0, and you are asked to compare 0.5% of x withx. Recall thatof a number is the same as

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答案B
解析 In this question, you are given that x > 0, and you are asked to compare 0.5% of x withx. Recall thatof a number is the same as 50% of the number.
Therefore,x is equal to 50% of x. Since x > 0, it follows that 50% of x is greater than 0.5% of x. The correct answer is Choice B.
   You could also make the comparison by rewriting 0.5% of x as a fraction of x and then comparing the result withx. Rewrite 0.5% of x as a fraction of x as follows.

Since x > 0, it follows thatis less thanx, and Quantity B is greater than Quantity A. The correct answer is Choice B.
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