Unit 13　We're trying to save the earth!　Section A 3a—4c 课件 2023-2024学年英语人教版九年级全册

Unit 13　We're trying to save the earth! 　Section A 3a—4c 英语人教版 九年级全册 一、核心单词 名词 1.鲨鱼__________ 2.(鱼)鳍__________ 3.链子；链条__________ 4.生态系统__________ 5.工业；行业__________ 6.法律；法规________→lawyer n．律师 7.运输业；交通运输__________ shark fin chain ecosystem industry law transportation 自主预习　 形容词 8.残酷的；残忍的_____________ 9.有害的__________→harm n．害处 10.科学上的；科学的__________→science n．科学→scientist n．科学家 11.可重复使用的_________________ 动词 12.承担得起(后果)；买得起_________________ cruel harmful　 scientific reusable afford 1.对环境有害____________________________________________ 2.在……顶部或顶端____________________________________ 3.食物链_____________________________________________ 4.参加_______________________________________________ 5.关掉______________________________________________ 6.付费；付出代价____________________________________ be harmful to the environment　 at the top of the food chain take part in turn off pay for 二、核心词块 7.采取行动_________________________________________ 8.砍掉_____________________________________________ 9.到目前为止_____________________________________ 10.鲨鱼的数量______________________________________ take action cut off so far the number of the sharks 1．如果他们的数目降至过低，会给所有海洋生物带来危险。 __________ their numbers drop too low, it __________ bring danger to all ocean life. 2．还没有科学研究表明鲨鱼鳍对健康有益。 No scientific studies have shown that shark fins ________ ________ __________ health. 三、核心句子 If will are good for 一、快速阅读3a课文，为每段选择合适的段落大意。 Paragraph 1 __________　　 Paragraph 2 __________　　 Paragraph 3 __________ A．Sharks are endangered now. B．Talk about shark fin soup. C．Appeal(呼吁) to people against eating shark fins. B A C 课文理解　 二、细读3a课文，回答下列问题。 1．What does the writer think of people cutting off shark fins? _________________________________________________________ 2．Which animal is at the top of the food chain in the ocean's ecosystem? ________________________________________________________ 3．What will happen if the numbers of sharks drop too low? _________________________________________________________ 4．