内容正文:
Unit2 Wehavenotfoundlifeonanyotherplanetsyet.
第一课时
一、根据句意及汉语提示写单词.
1.None(没有一个)ofthestudentshasbeen
toAustralia.
2.Theenvironment(环境)ofthesmallcityis
verygood,somoreandmorepeopleliketo
livethere.
3.Toliveagreenlife,weshouldusesolar
(太阳的)energytoheatandcook.
4.Agroup (群)ofchildrenarevisitingthe
spacemuseum.
5.MrZhangthoughtaboutanewsystem (系
统)ofteachingforeignlanguages.
二、用括号内所给单词的适当形式填空.
6.Itishardtosay (say)whowillwinthe
nextgame.
7.Sofarnoneofushas/haveknown (know)
thenewteachersname.
8.Ittookthemmorethanmillions(million)
ofdollarstobuildthebuilding.
9.Marsisthefourthfarthest (far)planet
fromthesun.
10.Wehaventfound(find)lifeonanyother
planetsyet.
三、单项选择.
11.Weplanted A treeslastyear.
A.hundredsof B.hundredof
C.fivehundreds D.fivehundredof
12.—Dontbeangrywithyourkidwhenhe
makesamistakeagain,willyou?
—No.Iwont.Iknowthat A ofusare
perfectafterall.
A.none B.neither
C.each D.all
13.Thesenaturaldisastershavewarnedus
thateveryoneshouldstarttoprotectthe
C immediately.
A.amusement B.development
C.environment D.government
14.— B you themodelofthe
houseyet?
—Yes,Ihave.Ifinisheditlastnight.
A.Did,make B.Have,made
C.Will,make D.Do,make
四、按要求完成句子.
15.AllofushavebeentoCapeTown.(改为
否定句)
NoneofushasbeentoCapeTown.
16.Somescientiststhinkthereiswateron
Mars.(改为否定句)
Somescientistsdontthinkthereiswateron
Mars.
17.Theuniverseislarge.(改为感叹句)
Howlargetheuniverseis!
18.IhavebeentoNanjingthreetimes.(对画
线部分提问)
How many times have you been to
Nanjing?
五、从方框内选句子补全对话.
Tony:Hello,Lucy.Ihaventseenyoufor
severalhours.Wherehaveyoubeen?
Lucy:Hello,Tony.19. F AndIhavefound
someinformationabouttheuniverse.
Tony:Really? Wouldyouliketotellme
some?
Lucy:Ofcourse.Whatdoyouwanttoknow?
Tony:Well.20. B
Lucy:Millionsofyears.
Tony:Wow! Solong.21. D
Lucy:Notyet.Buttheyhavediscoveredwater
onMars.
Tony:Thatsoundsveryinteresting.Have
theyfoundlifeonMars?
Lucy:No,theyhavent.Andscientistshave
alreadyfoundthattheresnolifeonthe
moon.
Tony:22. A
Lucy:Yes,thatsright.Oh,Iwanttoreturn
the