Unit7 What’sthehighestmountainintheworld?
Period4 SectionB1a—1d
【课型】听说课
学习目标
1.能掌握下列单词:cm(centimeter),weigh,birth,adult
2.能正确使用以下常用表达:
at birth,live up to,weigh 5,000 kilos,stand on two legs,weigh many times more than,a baby panda an adult panda
3.能熟练掌握并使用下列重点句式:
1)A baby panda cannot see?
2)At birth,a baby panda is about 20 cm long.
3)An adult panda weighs many times more than a baby panda.
学习过程
【课前预习】
英汉互译。
1.350米高
2.重5千克
3.a baby panda
4.an adult panda
5.活到100岁
6.eat much more
7.在出生时
8.两腿站立
【课堂探究】
探究一:weigh的用法
①作及物动词,表示“ ”。
Cao Cong thought of a way to weigh the elephant.曹冲想出了一个称大象的办法。
②作不及物动词,表示“ ”,后接数字。
She weighs 50 kilos.她的体重是50千克。
③weight名词,意为“ ”。
What is your weight?你的体重是多少?
探究二:倍数表达法
(1)用形容词表示甲是乙的几倍时,有以下三个句型:
①
There hall is four times bigger than my classroom.这个大厅比我们的教室大四倍。
②
Asia is four times as large as Europe.亚洲的面积是欧洲的四倍。
③
The 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)用名词表示“量”的倍数时,有以下两个句型:
①
There are four times more books in our library than in yours.我们图书馆的藏书(数量)是你们图书馆的四倍。
②
There is three times as much water in this cup as in that one.这个杯子里的水(量)是那个杯子里的三倍。
