1、九年级 Unit13 Were trying to save the earthunit13 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。coststh. costs (sb.) +moneyspend1. spend+ time/money on sth.2. spend +time/money (in) doing sth.takeIt takes (sb.) time +to do sth.paypay (sb.)+money for sth. 词义辨析:take part i
2、n/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 tur
3、ned 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 cant afford to pay such a high price
4、. 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 a
5、ction to deal with the riots. throw away:扔掉;错过(机会等) Many people throw away cigarette ends carelessly. Dont 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. pulldown:拆毁 They are going
6、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:wor
7、k n.工作;(音乐、艺术)作品;工厂 v. 工作 He has much work to do. 他有很多工作要做。(做“工作”讲,为不可数名词) The man gained his wealth by printing works of famous writers.(做“作品”讲,为可数名词,但常用复数)The glass works is/are near the station.(做“工厂”讲,只用复数形式,但谓语动词单复均可)拓展:英语中有些名词,单复数形式意义有差别。manner 方式,方法 manners 礼貌,礼仪 arm 胳膊 arms 武器 water 水 waters
8、 海水,水域 wood 木头 woods 森林 识记词汇 fisherman n. 渔夫 coal n. 煤 wooden adj. 木制的 takeaway n. 外卖食物chain n. 链条 the food chain 食物链 ecosystem n. 生态系统law n. 法律 scientific adj. 科学的 transportation n. 交通napkin n. 餐巾纸 gate n. 大门 president n. 总统,主席,负责人 metal n. 金属二、重点句型Other advantages of bike riding are that its good
9、for health and it doesnt costanything. 解析:本句的主干是 Other advantages of bike riding are;that its good for healthanything 是由 that 引导的表语从句;其中 its good for health 和 it doesnt cost anything 是骑自行车的两个优势。 But do you realize that youre killing a whole shark each time you enjoy a bowl ofsharks fin soup? 解析:本句的主
10、干是do you realize?;that youre killing a whole shark 是 realize 的宾语从句;each time youenjoy a bowl of sharks fin soup 是时间状语从句。出题建议:确定好题型后,在关键词中输入:each time。 Many believe that sharks can never be endangered because they are the strongest intheir food chain. 解析:本句的主干是 Many believe;that sharks can never be e
11、ndangered 是 believe 的宾语从句;becausetheyare the strongest in their food chain 是由 because 引导的原因状语从句。 Not only can the art bring happiness to others, but it also shows that even cold, hardiron can be brought back to life with a little creativity. 解析:本句的主干是 Not only can the art bring happiness to others,
12、but it also shows,主干是由 not onlybutalso连接的并列句;that even cold, hard iron can be brought back to life with a little creativity 是 shows 的宾语从句。Unit13 Were trying to save the earth!第一课时SectionA 1a-2d自学自查:.写出下列单词及短语:垃圾_ 2.在底部_ 3.充满_ 4.曾经做某事_ 5.在其作用_ 6.打扫_7.许多黑烟_ 8.把变成_ 9.消减_ 10.代替_ 11.优点_ 12.木质筷子_ 13.塑料勺子_
13、 14.外带食物_ 15.有影响_ 16.导致_.用括号里单词正确形式填空。1.There are some _,including _.(噪音污染,空气污染,水污染)(pollute) 2.The air is badly_(pollute) because there are many cars on the road.3.I used to _(able)see stars in the sky. 4.I am used to _(sleep) around 11pm.5.It _.(花了我三小时到达山顶)6.The cleaner _(花了超过2小时打扫街道)7.You grandpa is sleeping ,so dont _.(noisy)8. Sometimes we even need to _(花时间导入一个请求)9.It _ me 1,000dollars to get the drivers license.(花费).重点句子: 1.We should write to the government and ask the
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