21. 带来：bring about (result in, lead to)

　　22. 引起： create (spark ; yield;; give rise to)

　　23. 建立：establish (found, institute)

　　24. 要求：call for (request，demand)

　　25. 去除：eliminate(remove, eradicate)

　　26. 探讨：explore (examine, identify)

　　27. 描绘：depict (portray, illustrate)

　　28. 后果：consequence( aftermath; outcome)

　　29. 足够：adequate (enough; sufficient)

　　30. 解决:tackle ( resolve, address)

　　31. 意识:awareness(consciousness)

　　32. 控制:curb ( regulate, censor)

　　33. 解释：account for ( be responsible for)

　　34. 投资：finance (invest in, subsidize)

　　35. 缓解：relieve ( ease, alleviate)

　　36. 压力：stress ( pressure, strain)

　　37. 和谐：harmony ( concordance)

　　38. 继承：inherit (hand down)

　　39. 培养：cultivate (train, foster)

　　40. 促进：promote ( contribute to, upgrade)

　　41. 适应：adapt to (adjust to, acclimate to)

　　42. 提供：provide (render, afford)

　　43. 替代：replace (substitute, take the place of)

　　44. 保护：preserve (protect)

　　45. 证据：evidence (proof)

　　46. 赢得：gain (acquire, attain)

　　47. 国外的：foreign( alien, exotic)

　　48. 灾难：disaster (misfortune, catastrophe)

　　49. 发展：advance (progress)

　　50. 倾向于：tend to ( be inclined to , be apt to)

　　五、托福写作常用“十大句式”

　　一、否定句

　　1.Instead of indulging in playing computer games, children should betaught how to benefit from useful information on the internet.

　　应该教孩子们如何从互联网获取有益的信息，而不是沉溺于玩电脑游戏。

　　2.On no account (Under no circumstances)can we ignore the immensevalue of knowledge.

　　我们绝不能忽视知识的巨大价值。

　　3.College students take part-time jobs not for more money but for abetter understanding of societies.

　　大学生参加兼职工作不是为了赚更多钱，而是为了更好地了解社会。

　　4.One’s salary doesnot depend so much on his educational background as on his ability andcontribution to the society.

　　一个人的工资与其说取决于他的教育背景倒不如说取决于他的能力和对社会的贡献。

　　5.In terms of nutrition, fast food is far from satisfactory.

　　从营养角度来说，快餐远非令人满意。

　　6.Parents would not expect their children to become useful personswithout working hard.

　　父母们不能指望孩子们不经过刻苦努力就可以成才。

　　二、非限制性定语从句