Sectio
A11a2dStep1Prese
tatio
square
平方desert
沙漠Asia
亚洲meter
米populatio
deepadj深的populatio
人口tourist
旅行者

人口
tourv
旅行amazi
gadj
wall
墙
令人大为惊奇的wideadj宽的；宽阔和
a
cie
tadj古代的Step2Warmi
gup
1Watchthephotosa
dtalkaboutthem“Howbighighlo
gbigis…’a
dhelpthestude
tstoa
swerIt’s…meterskilometerscmbighighlo
gbig2Lookthesephotosa
dpracticethedialogueegAHowhighisQomola
gmaBIt’s8844metershighStep31aMatchthefactsyouk
owPracticei
pairsusi
gthei
formatio
i
1aQomola
gmaabout9600000squarekilometersi
size
TheSahara
1025metersdeep
TheCaspia
Sea
6671kilometerslo
g
TheNileStep4Explai
atio
…8844metershigh
884443metershigh
8844米高
…metershighlo
gwide………米高（长宽……。英语表示“有多长（宽，高……）”时，一般将数词和数量单位放在表示长宽高的形容词前作状语。
fegThewallis17metreswideStep5Liste
i
g11bListe
a
dcompletethese
te
ces1Qomola
gmais______tha
a
yothermou
tai
i
theworld2TheSaharais____________deserti
theworld3TheCaspia
Seais____________ofallthesaltlakes4TheNileis_________riveri
theworld22aListe
a
d
umberthefacts14i
theorderyouhearthem
2bListe
agai
a
dfilli
thebla
ksi
2awiththe
umbersi
thebox630050005464300
___TheYa
gtzeRiverisabout____kilometerslo
ga
dtheYellowRiveris___kilometerslo
g___Chi
ahasthebiggestpopulatio
i
theworldIt’salotbiggertha
thepopulatio
oftheUS___Chi
aisover___yearsoldIthasamuchlo
gerhistorytha
theUSTheUSis
oteve
___yearsold___Chi
aisalmostasbigastheUSbutitisthebiggestcou
tryi
AsiaStep6Practice1cMakeco
versatio
si
pairsExamplesADidyouk
owthatChi
aifo
eoftheoldestcou
triesi
theworldBYesIdidIt’smucholdertha
mycou
tryStep72dReadtheco
versatio
a
da
swerthequestio
s1Whichisthebiggestma
madeobjectsi
theworld？2WhichisthemostfamouspartoftheMi
gGreatWallStep8La
guagepoi
tsa
dsummary1Fellfreetoaskmea
ythi
go
today’sGreatWalltour在今天的长城游中，大家尽管问我任何问题，不要拘束。fellfree是英语口语中一个常用表达。若有人让你feelfreetodosomethi
g就是让你无需拘束，只管按照自己的意愿去做某事。
fegACa
Iuseyourbathroom我可以用一下你的卫生间吗？BYesfeelfree可以，请随意。2AsfarasIk
owthereare
oma
madeobjectsasbigasthis据我所知，再没有像它这样大的人造物体了。asfarasIk
ow是一个固定的表达方式，还可以说sofarasIk
ow意思是“据我所知”。egr