Unit1第3课时
一、单项选择
1．Theflightwasdelayed(推迟)bythestorm,______thepeoplehadtowaitattheairport.
A．but B．or C．so D．for
2．Weshouldlookforwardtothefuture,______neverforgetthepast.
A．or B．so C．but D．for
3．Lookleftandrightbeforeyoucrosstheroad,______youmaybehitbyacar.
A．so B．and C．or D．but
4．Lifeislikeaone-wayrace,______treasureeverymomentastimecannotbewonagain.
A．so B．and C．or D．but
5．ThegreatscientistYuanLongpingleftuslastmonth,______hewillliveinourheartsforever.
A．so B．but C．if D．since
6．Thisdressisverybeautiful,______itdoesn’tlookgoodonme.
A．forB．soC．but
7．—HaveyouheardofthenewsaboutYuanLongping?
—Whatsadnews!Heisnolongerwithus,______hewillbeaninspirationtousall.
A．so B．if C．but D．as
8．Thedoctorsworkedfortenhours,______nobodytookabreak.
A．so B．for C．but D．or
9．Youdon’tneedtotakeanycash（现金）whenshopping.Youmaypayby______Alipay（支付宝）______WeChat（微信）.
A．either,orB．neither;norC．not;but
10．IlikeChinese,______Idon’tlikemath,becauseit’snoteasytolearnitwell.
A．andB．butC．or
11．Mybikewasbrokenyesterday,______Ihadtowalktoschool.
A．or B．so C．but D．because
12．Noneoftheshoesintheshopfitmewell.Theyare______toobig______toosmall.
A．notonly;butalso
B．neither;nor
C．either;or
13．Mr.Whitehadacoldyesterday,______hestillwenttowork.
A．so B．or C．for D．but
14．Atthattime,therewerefewdoctors,______NormanBethunehadtoworkveryhardonhisown.
A．so B．because C．but D．or
15．Thisyear,peopleinChinahavemetlotsofdifficulties,______theynevergiveuphope.
A．and B．but C．so D．or
16．Theenvironmentalproblemisserious,______scientistssaywecanfixit.
A．because B．but C．or D．so
17．Wuweiisamoderncitynow,______youcanstillgetasenseofhistorywhenvisiting.
A．or B．so C．because D．but
18．Myparentswishmeto