英语人教版八年级下册unit7 sectionB 1d-1c.doc

类别学习重点重点单词 weigh, birth, adult重点短语 at birth, up to重点句式1. The elephant is 350cm tall and weighs 5,000 kilos.2. This elephant weighs many times more than this panda.Step1 课前预习单词检测1.Badaling is one of the the _ part of the wall.(famous)2.Because of the _(freeze) weather conditions, we could hardly move up the mountains.3.We must face all kinds of_(difficult)bravely in our life.4. Its to hard_(吸入) air on the top of the mountains.5. This elephant weighs many_(time) more than this panda.Step2 Lead-inFree talk How much do you know about elephants and pandas? Step 3 Presentation新课导入（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 say something about the two animals with Comparative Forms of Adjectives and Adverbs? Lets have a try.新课展示新课展示【完成教材1a1d的任务】1.认真阅读1a中所给的信息，然后用这些信息仿照给出的例句对大象和熊猫进行比较，邀请几位学生说出自己所想的句子。2.请学生朗读出1b方框中的数字，教师纠正读音，为听力做好准备。3.听录音，标出你所听到的数字，集体核对答案，完成1c练习。4.再听一遍录音，用正确的数字来补全句子，请学生展示答案。5.再细心听录音并跟读，整体感知对话。【语法提要】1.many times more thanmany times more than意为“比多很多倍”，是倍数的表达方式之一。英语中常用的倍数表达法：（1）“A+谓语动词+ 倍数+形容词/副词的比较级+ 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+谓语动词+倍数+as+形容词/副词的原级+as+B”表示“A是B的多少倍”。例句：His father is twice as tall as he.他父亲的身高是他的两倍。This tree is three times as tall as that one.这棵树是那棵树的三倍高。（3）“A+谓语动词+倍数+the height/weight/length +of+B” 表示“A的高度/重量/长度是B的多少倍”。例句：This hill is four times the height of that small one.这座山的高度是那座小山的四倍。2.up toup to意为“到达（某数量、程度等）；至多有；不多于”，其中to为介词，后接名词作宾语。例句：Up to ten people can sleep in this tent.这个帐篷最多能睡十人。Our football team played up to its best in the last match.我们的足球队在上次比赛中发挥了最高水平。up to还可表示“（体力或智力上）能胜任；适于（做某事）”，后可接名词或动词作宾语。常用于否定句。例句：Hes not up to the monitor.他无法胜任班长。Hes not really up to seeing any visitors.他的身体不太适合见访客。【问题探究】根据汉语意思完成句子。1.他们的房间比我们的大两倍。Their room is twice bigger than ours.2.在非洲的一些地区，孩子最多受教育到12岁。In some areas of Africa, children get educated up to 12 years old.练习1. Jim is funnier than -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 -of the two books.A. expensive B. more expensiveC. most expensive D. the most expensive3. Our teacher tells us that the earth is about _ as the moon. A.as fifty time big B. fifty times as big C.as big fifty times D. fifty as t