1. Convert the following denary numbers base 8.
   把下列各十进制换算成以8为基值的数。
2. TBC provides local telephone numbers in the calling markets of the teleservice initiative.
   TBC在电信业务的呼叫市场上提供本地电话号码。
3. They supplied large numbers of tractors to peasants.
   他们向农民供应了大批拖拉机。
4. The little girl could only remember her numbers by counting out.
   这个小女孩只有大声数数, 才能记得住数字。
5. The new grouping of classes means larger numbers in each class.
   这次重新编班，意味着每个班的人数增多了。
6. "A digital watch shows the time by electronically lit up numbers, e.g. 1021."
   "数字手表是用电子显示数字来表示时间的,例如1021。"
7. Voluntary redundancies and natural wastage will cut staff numbers to the required level.
   自愿离职和自然减员将使员工数量减至所需的水平。
8. Graham noted the numbers down carefully.
   格雷厄姆小心记下了数字。
9. He has a natural affinity with numbers.
   他天生就喜欢数字。
10. The numbers also demonstrate that intermarriage is on the rise.
    数据还表明异族婚姻呈上升趋势。
11. The binary system of numbers is used in digital computers.
    数字计算机都使用二进制数字系统。
12. Will the prison system cope adequately with the increasing numbers of prisoners?
    监狱系统将足以应付日益增多的犯人吗？
13. Large numbers of MPs felt compelled to break ranks over the issue.
    为数众多的下院议员觉得在这一问题上不得不表示反对。
14. This shows a slight decrease on the numbers of the previous month.
    这表明比前一个月的数目略有减少。
15. The telephone directory gives people's names, addresses, and telephone numbers.
    电话号码薄中列有电话用户的姓名、住址和电话号码。
16. The Indians cut notches on a stick to keep count of numbers.
    印第安人在棒上刻V形凹痕用来计数。
17. But the breadth of the economic transformation can’t be measured by numbers alone.
    但不能只靠数字来衡量经济变化的程度。
18. He added the numbers mentally; he did not need a pencil and paper.
    他心算数字，不需要纸和笔。
19. Computers operate using binary numbers.
    计算机运行运用二进位制。
20. New settlers came in increasing numbers.
    新来的移民日益增多。

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