2. 外语
  3. A printer numbered consecutively the pages of a book, beginning with 1 on the first page. In numbering the pages, he printed a t

A printer numbered consecutively the pages of a book, beginning with 1 on the first page. In numbering the pages, he printed a t

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问题 A printer numbered consecutively the pages of a book, beginning with 1 on the first page. In numbering the pages, he printed a total of 189 digits.

Column A                   Column B
The number of pages        100
in the book
选项 A、if the quantity in Column A is greater
B、if the quantity in Column B is greater
C、if the two quantity are equal
D、if the relationship cannot be determined from the information given
答案B
解析 一个打印员为某本书的页码编号，第一页从1开始。在计算页码时，他共打印了189个数字(digit)。
解：本题的正确答案是(B)。“digit”是“数字”的意思，诸如1，2，3等。10和1000分别是两位数(two-digit number)和三位数(three-digit number)，每个数中分别有两个和三个“digit”(数字)。该打印员在打印标号时共打印了189个数字，除去9个仅有个位的数字，还可打印90个两位数字，一共是99页，与100比较，99<100。
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