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1、Unit 13 Were trying to save the earth1单元重难点题组训练一. cost, spend, take与pay for辨析I. 单项选择。1.It me an hour to walk from my home to my school. A. pays B. costC. takes D. spend2.（黄冈）Grandpa has changed a lot. So he has. He spends more time than he used to Games with the children. A. play B. playing C. playe
2、d D. plays3.（六盘水）Lily _ 30 yuan for the album. It was not expensive. A. paidB. cost C. tookD. spent II. 把下面的句子改为同义句，每空一词。4. (黔西南)She spends an hour reading English every day.（改为同义句）It her an hour to English every day.5. The new fridge cost me 2,000 yuan.I 2,000 yuan the new fridge. 二afford的用法I. 单项选择
3、。1.What do you think of the 3G mobile phone?I really like it, but I cant it. A. refuse B. stand C. pay D. afford2. Mr. White is out of work. He cant his sons education.A. buy B. take C. afford D. pay3. Many people cant afford the house. A. to buy C. buy C. buying D. bought . 根据汉语意思完成句子，每空一词。4. 他父母负担
4、不起他的学费。 His parents couldnt his education.5. 我抽不出一个小时去吃午饭。 I cant an hour lunch.三turn off, turn on, turn up, turn down辨析I. 单项选择。1.（扬州）一Do you know the latest information about Flight MH370? 一Ive no idea. Lets_ the TV to watch the news programme. A. turn on B. turn down C. turn up D. turnoff2. (乐山)Wo
5、uld you be so kind as to _ your music? I am preparing for tomorrows speech.Sure. Sorry to disturb you.A. turn down B. turn up C. turn on3. （淄博）Bill, please_ your computer and go to sleep. Its too late.A. turn on B. turn off C. turn up D. turn down. 根据汉语意思完成句子，每空词数不限。4. Would you please （开大） the radi
6、o? I cant hear it clearly.5. Mr. Black （打开）电视as soon as he got home.四take part in与join辨析1.（青岛） of volunteers will be needed for 2014 International Horticulture Expression in Qingdao. Lets go and them. A. Thousands; join B. Thousand; be a member of C. Three thousand; take part in D. Thousands; be in2
7、. Anyone who sings well can the activity in our school. A. take part in B. take off C. take out D. take care of3. I suppose well go to plant trees next week.Terrific! Planting trees is a lot of fun. Id like to You. A. visit B. join C. follow D. meet. 用take part in和join的适当形式填空。4. He the English club last term.5. Why didnt you Jims party yesterday?单元重难点题组训练一. I . 1-3 CBAII . phone. 4. takes; read 5. paid; for 二I . 1-3 DCAII . 4. afford to pay for 5. afford; for三I . 1-3 AABII . 4. turn up 5. turned on四I . 1-3 AAB. 4. joined 5. take part in