16. even though 尽管，虽然 (引导的内容往往是真实语气)

even if 即使，就算，哪怕 (引导的内容往往是假设的，可用虚拟语气)

Even if it rains tomorrow, we won’t change our plan. 即使明天下雨，我们也不会改变计划。

Even if he had money, he wouldn’t buy it. (虚拟)

Even though it’s hard work, i enjoy it. 尽管工作艰苦，我还是很喜欢。

17. without doubt 毫无疑问

18. the nature of tea 茶的本质

19. the popularity of ... 。。。的盛行 (the popularity of tea. The popularity of basketball. )

20. a much-loved sport 一项深受人们喜爱的运动项目

21. be enjoyed by sb for sth 因。。。而受到人们喜爱

Basket is enjoyed by young people for fun and exercise.

篮球因充满乐趣和锻炼而受到年轻人喜爱。

22. be at college 在大学(期间) (be at school 在上学(期间)， be at work 在上班/工作)

23. think of ... 想到。。。 think about ....考虑 。。。

think over ... 仔细考虑。。。 think twice 三思

24. on a hard floor 在硬地板上

25. divide ...into .... 把。。。分成。。。 Divide the apple into two parts.

26. get a ball into / in the ‘basket’. 把球扔进篮筐里

27. on the same team 在同一个队里

28. work together 共同努力，团结协作

29. stop sb from doing sth = prevent sb from doing sth阻止某人做某事

30. the number of ... 。。。的数字;

a number of ... 许多，大量 (后+可数名词复数+复数谓语)

31. look up to sb 崇拜/ 仰慕某人

32. encourage sb to do sth 鼓励某人做某事

33. achieve sb’s dream 实现某人的梦想

34. work hard to do sth 努力工作是为了做。。。