2015九年级英语Unit 13. We are trying to save the earth!.doc

2015九年级英语Unit 13. We are trying to save the earth! 单词 litter bottom fisherman coal ugly advantage cost wooden plastic takeaway bin shark fin cruel harmful chain ecosystem industry law scientific afford reusable transportation recycle napkin upside gate president inspiration iron work metal creativity 短语save the earth noise pollution solve the problem cut down be good for go shopping make a difference hear of cut off not only…but also… be harmful to… at the top of the food chain worse and worse take part in not… any longer begin with turn off pay for add up take action throw away put sth. to good use pull…down upside down win a prize set up be known for look like bring back in the ocean’s ecosystem 用法try to do sth play a part in doing sth used to do sth instead of doing sth start doing sth remember to do sth can’t afford to do sth by doing sth be good at doing sth plan to do sth hope to do sth need to do sth Section A 1.noise pollution噪音污染 noise此处做名词，意为“噪音”。 If you make noise at night, my dog will bark.如果你在晚上发出吵闹声的话，我的狗会叫。 辨析：nois, sound和voice noise 意为“噪音，喧闹声”，常指不悦耳、不和谐的嘈杂声 Don’t make any noise!别吵闹！ sound 泛指自然界的各种声音 Light travels much faster than sound.光的传播速度比声音快得多。 voice 一般指人的声音，如说话、唱歌、谈笑等。Voice除了有时可指鸟的声音外，很少表示动物的声音 The girl has a beautiful voice. 那个女孩嗓音很美。 （2014 甘肃平凉）The boy didn’t sleep well last night because of the ___from the factory. A. voice B. noise C. music D. song pollution不可数名词，意为“污染，污染物”，其动词形式为pollute There’s lots of pollution in the air here.这里的空气中有大量的污染物。 The river has been polluted by waste products from the factory. 这条河流已经受到工厂排放的废料的污染。 2.There were no more fish for fishermen to catch.不再有鱼让渔民去捕。（P97) atch动词，意为“抓住，接住，及时赶上”，其第三人称单数为catches，其过去式为caught。 Cats like catching mice.猫喜欢捉老鼠 You’ll have to work harder to catch up with top students in your class. 要赶上班里优秀的学生，你得更加努力才行。 [拓展]