《North America》Know Our World PPT下载
第一部分内容:课前自主预习
单词闯关
1.million________
2.平方;广场;正方形________
Rocky Mountains ________
4.Spanish_______________________
5.Mexican____________________________
短语互译
1.square kilometer ____________
2.The Great Lakes ____________
3.any other ____________
4.超过 ____________
5.……的一半 ____________
句型在线
1.加拿大的南面是美国。
________ ________ _______ _____ Canada is the United States.
2.……并且它的人口要比北美其他任何国家多得多。
…and its population is______ _______ than ________ ________ ________ in North America.
3.中国的长江是世界第三长河。The Yangtze River (the Changjiang River) in China is _______ __________ river in the world.
课文初探
判断正(T)误(F):
( )1. North America is a large continent with three main countries.
( )2. The United States is to the north of Canada.
( )3. Canada is the biggest of the three main countries in North America in area.
( )4. The population of the U.S. is much smaller than any other country in North America.
( )5. Most of the people in Mexico speak Spanish.
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North AmericaPPT,第二部分内容:句型透视
1To the south of Canada is the United States. 加拿大的南面是美国。
[探究]此句的主语是the United States, to the south of Canada作系动词is的表语,此句可转化为:The United States is to the south of Canada.其中to the south of 意为“在……的南方”,to要用在方位名词前面。
[拓展] in, on, to均可表示地理位置:in 指在某一范围内;on 指两者相接壤;to 指两者不接壤。例如:
D is to the north of A.D 在 A 以北。(不接壤)
C is on the north of A.C 在 A 的北边。(接壤)
B is in the north of A.B 在 A 的北部。(在内部)
2The Yangtze River (the Changjiang River) in China is the third-longest river in the world. 中国的长江是世界第三长河。
[探究] ““the +________+_________+名词”表示“第几……的……”,如表示“第一……”,则可以省略序数词first。例如:
The Yangtze River is the longest river in China. 长江是中国第一长河。
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