人教初三英语寒假预习unit-unit杨丽娜.pdfVIP

Unit13 We are trying to 第八讲 save the earth! 〔二〕 学习 目标 1.掌握 Section A 中出现的词汇，短语和句型 2.通过对鱼翅汤的了解和保护濒危动物--鲨鱼，保护地球保护 环境 学习 重点 1. 词汇: shark, fin, cruel, harmful, chain, ecosystem, industry, law, scientific, afford, reusable, transportation, recycle, napkin . 2. 短语 :be harmful to, at the top of, the food chain, take part in, turn off, pay for, take action. 3. 句型: This is not only cruel, but also harmful to the environment. If their numbers drop too low, it will bring danger to all ocean life. 学习 1. 掌握本课时中的重点词汇、短语和句型 难点 2. 能正确运用现在进行时，现在完成时，被动语态，情态动词 和 used to 句型 - 1 - 8.1 词汇和语言要点 知识梳理 I.words and expressions words shark, fin, cruel, harmful, chain, ecosystem, industry, law, scientific, afford, reusable, transportation, recycle, napkin . phrases be harmful to, at the top of, the food chain, take part in, turn off, pay for, take action. II.Language points 1.When people catch sharks, they cut off their fins and throw the shark back into the ocean. cut off 切掉 e.g. Take care not to cut off the buds. 留神不要把幼芽儿切掉。 【拓展】“动词+ off 〞构成的短语有： take off 脱掉；起飞 get off 下车 turn off 关上 set off 出发 put off 推迟 show off 炫耀 run off 跑掉 keep off 远离；不接触 - 2 - 2.A shark can no longer swim and slowly dies. 鲨鱼不能再游泳然后慢慢死掉。 no longer 意思是“不再〞 e.g.I’m no longer a student. 我不再是个学生了。 有两个短语和no longer 同义，即not…any longer 和not…any more，但侧重的方面不同。no longer 和not… any lon