课件19张PPT。Unit 7 Know Our WorldLesson 42: North AmericaAsia EuropeAfricaNorth America South AmericaAustraliaAntarctica The Arctic OceanThe Atlantic OceanThe Pacific OceanThe Indian OceanThe Great LakesNiagara FallsOttawaWashington D.C.the Statue of LibertyThe Mexico cityMatch the statements with the countries according to the lesson.StatementsPeople there mainly speak Spanish.It’s the third largest country in area in
North America.Over 2 million people speak Chinese there.It’s the farthest north in North America.It’s the largest country in population in
North America.CountriesCandaAmericaMexicoComplete the passage with the correct forms of the words in the box.large live square Spain speak commonThere are three major countries in North America. They cover about 24 million ______ kilometres. Both in America and Canda, English is the ______________ language, while in Mexio, people speak mostly _______. In the U.S.,over 2 million people ______ Chinese. The population of America is much________ than that of Canada. Some Mexican people leave their country to _____ and work in America.squaremost commonSpanishspeaklargerlive1. Canada is the biggest of the three countries in area.
in area 意为“在面积方面”,介词in表示“在……方面”。类似的用法有:in size 意为“在大小方面”;in shape 意为“在形状方面”
E.g. Our town is five square kilometres in area. 我们城镇在面积上是五平方千米。
Language points其次,area 意为“面积;地域”,常用the area of 表示“……的面积”,in the area of …意为“在……领域”。
E.g. What’s the area of your house?
你的房子面积是多大?2.That’s a large population, but smaller than that of China.
The weather here is hotter than that in Beijing.
The clothes in this shop are cheaper than those in that shop.
1. To the south of Canada is the United States.2. …the third most common language is Chinese.
“the +序数词+最高级+单数名词+范围”,表示“……是……的第几……”,注意形容词最高级前加基数词和序数词时意义不同。如:
the two largest islands of China 意为“中国最大的两个岛屿”;the second largest island of China 意为“中国的第二大岛屿”。