Unit7 Section B(1a-1d) 导学案 2022-2023学年人教版八年级英语下册

八年级英语下册导学案 课题 Unit7 Section B(1a-1d) 课型 讲授课 主备 审核 学习 目标 1. 学习并掌握词汇：weigh, birth, at birth, up to, adult 2. 学习目标语言：The elephant weighs many times more than this panda. 3.通过对稀有动物的了解，教育学生保护动物。 学习 重点 1.形容词和副词的比较级和最高级的用法。 2. 数词的表达 学习 难点 1.形容词和副词的比较级和最高级的用法。 2. 数词的表达 预 习 案 1. 350厘米高 2. 15米长 3. 重100千克 4. 每天吃10千克的食物 5. 出生时 6. live up to… 7. weigh many times more than…. 8. know much more than you 9. stand on two legs. 行 课 案 step1.热身：用英语描述熊猫的特性 step2.呈现新知：Show a photo of a panda and a photo of an elephant on PPT and present: This elephant weighs many times more than this panda. Step3. 1a. Compare facts about these two animals . Use the Language in the box to help you make sentences. 1.Discuss in pairs. Compare the panda and the elephant. 2.Make more sentences using the information in 1a. Eg:The elephant is twice taller than the panda. The elephant is 200 cm taller than the panda. 3.Have students write down their sentences on the Bb. 4. 总结倍数的表达： 1). A is …times larger / higher / longer / wider than B. A比B大/高/长/宽…倍 2). A is …times as big / high / long / wide as B. A是B的…倍大/高/长/宽. 如：我的年龄是你的三倍。 I am three times as old as you.=I am twice older than you. 我们学校比你们学校大4倍。 Our school is four times bigger than yours. = Our school is five times as big as yours. Step4: Listen and check the numbers you hear 1.听前:Read out the numbers as quickly as you can 2.听中: Pay more attention to the numbers 3.听后: Ask a student to read out his/her answers Step5 : Listen again and complete the sentences in 1c. 1.听前:Read the sentences and guess the weight. 2.听中: 写每个单词的首字母 3.听后: Check the answers and read the tape scripts of 1c after the tape together. Step6: Practice Show some photos and information of animals on PPT, then have students compare facts about the