Unit7
What’sthehighestmountainintheworld?
Period1;Watchavideo.
What’sitabout?;mountain;/dez?t/;;;/?t???m???lɑ??m?/;/s?hɑ:r?/;;;;Observeandthink;100;;onethousandfivehundred
andsixty-eight;sixty-seventhousand
eighthundred
andninety;fifty-twopoint
threefiveeight;462,680;Observeandthink;1:1---12:(记住每个单词);Observeandconclude;;听力原文;;Howlongisit?;Howbigisit?;Howdeepisit?;;Chinaisoneoftheoldestcountriesintheworld.It’sover5000yearsold.Chinahasthemostpeopleontheearth.AnditisthebiggestcountryinAsia.;ThedifferencesbetweenChinaandAmerica;ThedifferencesbetweenChinaandAmerica;ThedifferencesbetweenChinaandAmerica;ThedifferencesbetweenChinaandAmerica;;听力原文;;;;;;GulangyuIsland;;;2.HowlongistheMingGreatWall?;2d;长江长约6,300千米。
黄河长5,464千米。
长江比黄河长。
长江是中国最长的河。;Goliathisthe_______elephantintheforest.
Hisfatheristhe_______elephantintheforest.;;1)Qomolangmais______thananyothermountainintheworld.
2)TheSaharais__________desertintheworld.
3)TheNileis___________riverintheworld.
4)Chinahas___________populationintheworld.
5)It’salot______thanthepopulationoftheUS.;6)Chinaisover5000yearsold.Ithasa
___________historythantheUS.
7)Chinaisalmost_________theUS,
anditisthe_______countryinAsia.
8)Thismakesit__________wallinthe
world.
9)It’s_______________part.
10)Oneoftheworld’s______________
sportsismountainclimbing,andoneof
_______________placesforthisisthe
Himalayas.;形容词和副词的比较级和最高级
大多数形容词和副词都有三个级
1)原级:常用结构as...as...“和..….一样”
ZhangHongisastallasTom.
张红和汤姆一样高。
2)比较级(用于两者之间的比较)
常用结构：比较级＋than...
HeistallerthanI.他比我高。;3)最高级(用于三者或三者以上的比较)，
常用结构:
the+最高级+of/in...
Heisthetallestofthethree.
他是这三个人中最高的。
Heisthefunniestinhisclass.
他是他们班最有趣的。;形容词、副词比较级和最高级的构成
a)规则变化
1)一般情况下，单音节或双音节的形容词
（或副词）比较级＋er，最高级＋est
clever－cleverer－cl