ItconnectsBeijingandShanghai.
Itcrosseswithsomeotherroadsandrailwaysalongtheway.
空间类动词close,clear
Whentheweatherisbad,theroadwillbeclosed.
Whenthereisacaraccident,theroadneedstobeclearedquick
Itissmoothinmostparts,butitisroughinsomeotherparts.
Itisstrong.
Itisfirmenoughforheavytraffic.
Step3
用动词或动词短语来描述“京沪高速公路”，如：
Itisafirst-levelhighway.
Step2
用所学形容词描述“京沪高速公路”，如：
长短
Itislong.
woorthreepaths.
part（部分）
Thehighwayhasdifferentparts,forexample,Beijing-jinan,Nanjing-shanghai.
size（长度）
Thewholedistanceofitis1200kilometers.
本源词go,make
ItgoesallthewayfromBeijingtoShanghai.
Itwasmadein1980s.
位置类动词cover,connect,cross
ItcoversBeijing,Shanghaiandotherfourprovinces.
宽窄
Itiswide.
直斜
Itisstraightinmostparts,butitiscurvedinsomeotherparts.
质地
position（位置）
ThestartingpointisatBeijing,theendisinShanghai.
There'remanytollgatesalongtheroad.
There'remanystationsalongtheroad.Thedriverscanhaveabreakinthesestations.
quality（质量）
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