Unit 13 Section A 3a-3b 课件 2023-2024学年人教版英语九年级全册

Section A(3a-3b) 阅读课本Activity 3a,根据课文内容回答下列问题。 1.What do people kill sharks for? 2.Why do people think sharks can never be endangered? Because they are the strongest in their food chain. 3.What will happen if sharks’ numbers drop too low? It will bring danger to all ocean life. 4.How many sharks are caught and traded every year? Around 70 million. They kill sharks for their fins. 教材原句1 This is not only cruel,but also harmful to the environment. 这不仅残忍,而且对环境也有害。(教材P99) 加后缀-ful构成的形容词: 1.Smoking ∕ ∕ .your health.Please give it up. (对……有害) 2.Charlie,don’t read in the sun! It your eyes! A.is good for B.is harmful to C.is cruel to D.is sad for 3.The boy is so (care) that he makes few mistakes in English grammar. is harmful to is bad for does harm to careful 4.Everyone can be a (use) person to make our motherland stronger. useful 教材原句2 Many believe that sharks can never be endangered because they are the strongest in their food chain. 许多人认为鲨鱼永远不会濒临灭绝,因为它们在它们的食物链中是最强的。(教材P99) 辨析:endangered,dangerous与danger endangered 形容词,意为“濒危的” Whales are endangered.鲸鱼濒临灭绝。 dangerous 形容词,意为“危险的” It’s dangerous to swim in the lake.在湖里游泳是很危 险的。 danger 名词,意为“危险” His life is in danger.他有生命危险。 1.These beautiful animals are (danger).We must protect them. 2.Some wild animals need our protection,because they are in great d now. 3.The police usually help people out of (danger) situations. endangered dangerous anger 4.—Why do some whales have to ? —Because humans catch whales for meat,fat and oil.Some of them are . A.protect;dangerous B.protect;endangered C.be protected;dangerous D.be protected;endangered 教材原句3 So far,no scientific studies have shown that shark fins are good for health,so why eat them?到目前为止,没有科学研究表明鱼鳍对健康有益,那么为什么要吃它们呢?(教材P99) so far意为“到目前为止;迄今为止”,可与现在完成时连用。 I have traveled to 10 countries so far.到目前为止,我已经去过10个国家旅游了。 1.So far,they (build) four new schools in that poor area. 2.So far,red tourism(旅游业) quickly and it’s becoming more and more popular. A.developed B.will develop C.has deve