八年級英語下冊Unit7What'sthehighestmountainintheworldSectionB第3課時1a_1d教案新版人教新目標版20210416158

1、Section B第3課時 （1a1d）類別學習重點重點單詞 weigh, birth, adult重點短語 at birth, up to重點句式1. The elephant is 350cm tall and weighs 5,000 kilos.2. This elephant weighs many times more than this panda.課前預習寫一寫1.重量是；稱的重量weigh2.出生；誕生birth3.成年的；成人的；成人；成年動物adult譯一譯1.出生時at birth2.到達；至多有；不多于up to背一背1.大象高3.5米，重達5000 千克。The e

2、lephant is 350 cm high and weighs 5000 kilos.2.成年熊貓要比熊貓幼仔重許多倍。An adult panda weighs many times more than a baby panda.新課導入（Teacher show two pictures to the students. One is a picture of a panda and the other is an elephant.)T: Whats this?S1: Its a panda.T: Whats this?S2: Its an elephant.T: Can you s

3、ay something about the two animals with Comparative Forms of Adjectives and Adverbs? Lets have a try.新課展示新課展示【完成教材1a1d的任務(wù)】1.認真閱讀1a中所給的信息，然后用這些信息仿照給出的例句對大象和熊貓進行比較，邀請幾位學生說出自己所想的句子。2.請學生朗讀出1b方框中的數(shù)字，教師糾正讀音，為聽力做好準備。3.聽錄音，標出你所聽到的數(shù)字，集體核對答案，完成1c練習。4.再聽一遍錄音，用正確的數(shù)字來補全句子，請學生展示答案。5.再細心聽錄音并跟讀，整體感知對話。6.游戲接龍:根據(jù)聽力信

4、息或自己熟知的有關(guān)熊貓的內(nèi)容，小組內(nèi)輪流說出有關(guān)熊貓的句子，比一比誰說得多說得好，邀請幾組學生來展示?！菊Z法提要】1.many times more thanmany times more than意為“比多很多倍”，是倍數(shù)的表達方式之一。英語中常用的倍數(shù)表達法：（1）“A+謂語動詞+ 倍數(shù)+形容詞/副詞的比較級+ than +B”表示“A比B多少倍”。例句：He runs three times faster than his brother.他跑得比他弟弟快三倍。新（2）“A+謂語動詞+倍數(shù)+as+形容詞/副詞的原級+as+B”表示“A是B的多少倍”。例句：His father is tw

5、ice as tall as he.他父親的身高是他的兩倍。This tree is three times as tall as that one.這棵樹是那棵樹的三倍高。（3）“A+謂語動詞+倍數(shù)+the height/weight/length +of+B” 表示“A的高度/重量/長度是B的多少倍”。例句：This hill is four times the height of that small one.這座山的高度是那座小山的四倍。2.up toup to意為“到達（某數(shù)量、程度等）；至多有；不多于”，其中to為介詞，后接名詞作賓語。例句：Up to ten people can

6、 sleep in this tent.這個帳篷最多能睡十人。Our football team played up to its best in the last match.我們的足球隊在上次比賽中發(fā)揮了最高水平。up to還可表示“（體力或智力上）能勝任；適于（做某事）”，后可接名詞或動詞作賓語。常用于否定句。例句：Hes not up to the monitor.他無法勝任班長。Hes not really up to seeing any visitors.他的身體不太適合見訪客?！締栴}探究】根據(jù)漢語意思完成句子。1.他們的房間比我們的大兩倍。Their room is twice

7、 bigger than ours.2.在非洲的一些地區(qū)，孩子最多受教育到12歲。In some areas of Africa, children get educated up to 12 years old.活學活練1. Jim is funnier than A in his class.A. any other boy B. any boyC. any other boys D. all the boys2.Why dont you buy this book?Because it is B of the two books.A. expensive B. more expensiveC. most expensive D. the most expensive布置作業(yè)：教師引導學生課后完成本課時對應練習，并預習下一課時內(nèi)容。教學反思本課時通過展示兩種動物的圖片，由提問引入，加強了師生互動，從而引導學生針對展示的動物發(fā)表各自的見解，