人教版八年级英语下册《What's the highest mountain in the world?》SectionB PPT课件(第1课时)，共10页。weigh的用法①作及物动词，表示“称……的重量”。eg：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“量”，后接数字。eg：She weighs 50 kilos.她的体重是50千克。【拓展】weight名词，意为“体重；重量”。倍数表达法❶用形容词表示甲是乙的几倍时，有以下三个句型：①倍数＋形容词/副词比较级＋thaneg：This hall is four times bigger than my classroom.这个大厅比我们的教室大四倍。②倍数＋as＋形容词/副词＋aseg：Asia is four times as large as Europe.亚洲的面积是欧洲的四倍。③倍数＋the size (height，length...)ofeg：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。❷用名词表示“量”的倍数时，有以下两个句型：①倍数＋more＋名词＋thaneg：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倍数＋as many/much＋名词＋其他＋aseg：This 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。重点短语归纳at birth出生时live up to活到……一、根据句意，选择方框中的单词并用其适当形式填空。1．Mom，I can look after myself well，I am already an _______now.2．That elephant _______about 5，000 kilos.3．Baby pandas doesn't have any ______．4．—Are pandas very small at______?—Yes，and people need to take care of them very carefully.5．The _______cars people drive，the ______pollution there will be.二、单项选择。( )6.—Linda，you look thinner.How much do you ________ now?—About 50 kilos.A．develop　　　　B．rise　 　　　C．drop　 　　　D．weigh( )7.I know ________ about Jinzhou than you，so tell me some please.A．little B．more C．less D．much( )8.My pet dog feels like standing ________ his two legs.A．in B．by C．on D．of... ... ...关键词：《What's the highest mountain in the world?》PPT课件免费下载，.PPT格式； 本作品中主体文字及图片可替换修改，文字修改可直接点击文本框进行编辑，图片更改可选中图片后单击鼠标右键选择更换图片，也可根据自身需求增加和删除作品中的内容，源文件无水印。如认为该内容涉嫌侵权，可通过邮件提出书面通知，我们将及时处理。