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外研版八年级英语上册module1—7课文
Unit2wehaven’tfoundlifeonotherplanetsyet
ScientiststhinkthattherehasbeenonEarth
millionsofyears.However,wehaven’tfoundlifeonplanets
yet.Whynot?
TheEarthisaplanetandittheSun.Eightotherplanets
alsogoaroundtheSun.ofthemhasanenvironmentwithair,--
peopleandthingscannotgrow.TheSunanditsplanets
thesolarsystem.Thesolarsystemisasmallofourgalaxy.
Thestarsweseearethesunsinothersolarsystems.There
are200billionstarsinourgalaxy,calledtheMilkyWay,
andourSunisoneofthem.
Butscientistshavediscoveredmanyothergalaxiesintheuniverse.
Theyarealongwayandtheirlighthastravelledformanyyears
tous.Itistounderstandhowlargetheuniverseis.
Scientistshavesentspacecrafttolookatotherplanetsin
oursolarsystem,andsomespacecrafthavegonebeyondthesolarsystem.
,noonehasdiscoveredanylifeinspace.
Butwhyhasnoonefromotherplanetssentusa?Havethey
triedtosendinformationtous?Withsomanystarsintheuniverse,are
we,oristherelifeouttherespace?Wedon’tknow…
yet.
Unit2ProjectHopehasbuiltmanyschools
Hopeforthefuture
LiuSanziiseight-yearoldboyavillageinHunan
Province.Hiswanthimtoschool.It’s
importanthimtoworktheirfarmthereare
sevenpeopleinLiu’s
familyandtheyarevery
LiYingmingis14andfrom
ZhangxianinGansuProvince.Hestoppedschoolafew
yearsago.Hisparentshavebeenillandhelook
afterthem.
ManychildrenLiYingmingandLiuSanzican’tan
education
becausetheirfamiliesarepoor.Nowtheycangotoschool
-ProjectHope.Inthelast15years,thisprojectmoneyand
paidfortheeducationof2.5millionpoorstudentsinthecountryside.
PeopleinChinaandhavegiven2.
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