1、 Unit 13 We are trying to save the earth 1.noise pollution advantages and disadvantages 2. at the top of the food chain upside down some kinds of in the ocean s ecosysterm worse and worse 3. not only but also not any more 4. cut down hear of cut off begin with pay for add up throw away pull down set
2、 up bring back look like turn off turn on turn up turn down turn into 5.be good for be good at be good with be known for be able to go shopping take part in take action play a part in 6. save the problem solve the problem make a difference put sth. to good use (put off put away put on put out ) win
3、a prize 7.catch a cold catch sb. s eyes catch the train catch up with 8. +whole+ all+ + the whole family all the family 9.endangered in danger 10.over = more than be against be for 11.join / join in / take part in 12.oneself enjoy oneself hurt oneself introduce oneself dress oneself by oneself teach
4、 oneself =learn by oneself look after oneself = take care of oneself 13. out of 1 He is running out of the classroom. (2) Fish can t live out of water. (3) They helped us out of kindness. (4) He is out of breath. (5) The boy has been out of danger. 14. die v. death n. dead adj. dying adj. die of +ol
5、d age,illness,sorrow,cancer die from +wound,a traffic,accident,an earthquake 15.win + / / beat + 16.set up (= start /establish / put up /found ) 1.try to do sth. used to do sth. plan to do sth. need to do sth. hope to do sth. afford to do sth. can t afford to do sth. 2.play a part in doing sth. star
6、t doing sth. by doing sth. be good at doing sth. 3. remember to do sth. remember doing sth. 4.lead to ( ) lead sb. to do sth. / lead sb. to some place 5.be harmful to sb./sth. / 6.be an inspiration to sb. / 7. taking your own bags when shopping when shopping when when when doing sth. When doing the
7、work,you must be careful. 8. be +doing 9. have/has + done 10. Dear Jim, How are you? Thanks for sending me the shirt. I love it very much. Red is my favorite color! It makes me feel energetic. And the shirt suits me just fine. Every time I wear it, I will think of you. I am fine recently. Last week I had a birthday party. Many of my friends came and we really had a wonderful time together. How are you doing, Jim? I always miss the days when we were on the summer camp last summer holiday. I hope you can visit China some day. Please write back soon. Yours, Li Lei
