九年级人教版Unit13_We’re_trying_to_save_the_earth!.doc

unit13 were trying to save the earth 一、重点词汇 ? 词义辨析：cost/spend/take/pay ? ? 都与“花费”有关，但用法上有区别。 ?cost sth. costs (sb.) +money ?spend 1. spend+ time/money on sth. 2. spend +time/money (in) doing sth. ?take It takes (sb.) time +to do sth. ?pay pay (sb.)+money for sth. ? ? 词义辨析：take part in/join/join in/attend ? 这些动词或词组均含“参加，加入”之意。 ?take part in 常指参加大型比赛或活动。 ?join 特指加入党派、团体等；join sb. in (doing) sth.?指“和某人一起做某事”。 ?join in 多指参加小规模的活动，如：球赛、游戏等。 ?attend 侧重参加或出席会议、学术活动、音乐会、上课等等，着重强调成为其中的听众或观众。 ? 词义辨析：turn词组 ? ?turn on 打开 ?turn off 关上 ?turn up 把……调高 ?turn down 把……调低 ?turn out 原来是，结果是?turn out (to be) +adj./n. The experiment turned out to be a success ?turn around 转身??I turned around to see who was calling me. ?turn back 返回 ?turn to 翻到……；求助于……? Please turn to Page 10. ?turn into 将……转变为……；译成……I have turned into a woman with strong will. ?turn over 翻转? She turned over and fell to sleep. ? ? ? afford to do sth.：买得起……，足够支付…… ? We can’t afford to pay such a high price. ? be harmful to：对……有害 ?Staying up often is harmful to your health. ? 拓展： ? 1. harm：n. 害处 ??2. do harm to：对……有害 at the top of：在……顶端 ? ? There was not enough oxygen at the top of the mountain. ? He shouted at the top of his voice in order to be heard. ??拓展：反义词at the bottom of：在……的底端 ? take action：采取行动 ?The police had to take action to deal with the riots. ? throw away：扔掉；错过（机会等） ? Many people throw away cigarette ends carelessly.? ? Don’t throw away this opportunity. ??拓展：??1. throw at：扔向…… ??2. throw about：到处扔 ? put sth. to good use：好好利用某物 ? ? If you focus your mind on the task, your talents can be put to good use. ? pull…down：拆毁 ? ? They are going to pull down the old building and replace it with a new shopping mall.? ? upside down：上下颠倒 ?The lid, turned upside down, served as a coffee table. ? bring back：归还；使想起 ?Your article brought back sad memories for me. ? ? 拓展：bring 词组 ? 1. bring up：抚养长大 ??2. bring in：引进 ??3. bring forward：提出??4. bring about：带来，造成 ? 一词多义：work ?n.工作；（音乐、艺术）作品；工厂 ?v. 工作