Chapter 4 Numbers：Everyone’s language
1. a pair of odd /even numbers 一对奇/偶数2. in tens 十进制3. consist of = be made up of 由…组成4. square root 平方根5. electric kettle 电水壶6. electrical appliances 电器7. electronic watch 电子表8. in one’s lifetime 在某人一生中9. a girl with an amazing brain 一个有惊人头脑的人10. a living computer 活电脑11. solve the problem 解决问题12. stand for 代表13. cardinal numbers 基数词14. ordinal numbers 序数词 15. pick up the phone 拿起电话16. copy down 抄下17. average age /weight /height /temperature 平均年龄/重量/高度/温度18. pay attention (to) 注意19. at least 至少20. line graph 曲线图21. calculator = calculating machine 计算器22. international language 国际语言 23. in ancient times 在古代24. in many different ways 用许多不同的方法25. in the same way 用相同的方法26. so… that… 如此…以致…27. too…(for sb.) to… （对某人）太…而不能…28. not… enough (for sb.) to… （对某人）不够…去干…29.in a flash 一瞬间共2页，当前第1页12Chapter 4 Numbers：Everyone’s language
30. calculate = do a calculation 计算31. the following story 下面的故事32. powerful enough 足够强大33. from top to bottom 从上到下34. may is first. 梅是第一名。35. 3 plus 9 equals /is 12. =add 3 and/to 9, and you’ll have/get 12. （3+9=12）36. 9 minus 3 equals /is 6.= subtract 3 from 9, and you’ll have/get 6. （9—3=6）37.3 multiplied by 9 equals /is 27. = multiply 3 by 9, and you’ll have/get 27.（3×9=27）38. 9 divided by 3 equals /is 3. = divide 9 by 3 , and you’ll have/get 3.（9÷3=3）共2页，当前第2页12