Unit 4 topic 3学案
【学习目的】
1.继续巩固反疑疑问句 2. 高位数字的读法 3. 怎样描述物体的量 【重点难点】
怎样描述物体的量。 【课前准备】 一．完成下列各句。
1. Tom came from England,_______ _______ ?
2. There is a beautiful picture on the wall,_________ _________ ? 3. There will be a football match on TV this evening,_______ _________ ? 4. You could swim when you was twelve,________ _________ ? 5. Let me tell you the truth,_________ _____________ ? 6. I think you shouldn`t shout at me,________ ___________ ? 二．读section A 并写出下列词语。
大金字塔 ___________________ 世界著名的 ________________________ 很久以前 ___________________ 直到19世纪 ________________________ 古代世界“七大奇迹”之一 _______________________________________ 大约在公元前2560年前 _________________________________________ 由---构成 ______________ 古代埃及人 _________________ 每块石头重2吨 _________________________________________ 我们还不知道 ___________________________________________ 【知识链接与拓展】 三．高位数词的读法
英语中表示单位的数词只有 hundred(百)、thousand（千）、million（百万）和billion（十亿）。在读数时百位和十位之间要加and。小数点读作point。如： 523 读作：five hundred and twenty-three
2,983 读作：two thousand,nine hundred and eigty-three 150,200 读作：one hundred (and)fifty thousand two hundred
20,300,456 读作：twenty million three hundred thousand four hundred and fifty-six
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3.1415 读作：three point one four one five 请试着写出下列数的读法：
100 000 读作 ___________________________________________________ 230.4 读作 ____________________________________________________ 2,560 __________________________________________________ 6,003,800 ______________________________________________ 四．怎样描述物体的量
high 形容词 “高的” hight 名词 “高度”
It is 320 meters high. 向斜体字部分提问为：_________ high is it ? =Its _______is 320 meters. 向斜体字部分提问为：What is its _____________? 注意：指树高，人高常用 tall 来表达
Yao Ming is 2.26 meters tall.向斜体字部分提问为: _____ _____ is Yao Ming? weigh+数字+名词 动词“重多少---”，weight 名词“重量”，heavy 形容词“重的” 谁能称大象的重量？ Who can __________ the elephant ? The stone weighs two tons. 向斜体字部分提问用“how heavy”
________ _______ does the stone __________? The weight of the stone is two tons. (向斜体字部分提问)
_________ is the weight of the stone?
【自我检测】
1. It weights 229 tons. =Its ___________ is 229 tons. =It is 229 tons ___________.
2. This tree is 25 meters tall. (向斜体字部分提问) ______ ______ is the tree? 3.The length(长度) of the pencil is 18 centieters.(同意句) =The pencil is 18 centimeters ____________. 【课堂活动】
1. 师生探究课前准备部分的内容。 2. 在预习的基础上熟悉1a,完成1b。
3. 跟读磁带后班级各阵之间以多种方式赛读1a. 4. 名曲欣赏 Yesterday Once More 【达标测评】
一．根据句意及首字母提示，补全单词。
1.There was a k called Khufu(胡夫) in Egypt.
2.This is an a city and has a history of 10,000 years. 3.Look at there vegetables.They w more than two t . 4.The P in Egypt were very wonderful. 5.There are eight m people in that city.
6.I don`t believe it is t (真的) until I seeit myself. 课后反思：
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