SectionA:
一、1.c2.d3.a4.f
二、1.calmer
2.wilder
3.moreinteresting
4.larger
5.funnier
6.easier
7.redder
8.newer
9.older
10.finer
三、1.ball;heavier;than;bag;lighter;than
2.thelongest;shorter;than
3.small;big;are;smaller
四、1.laugh
2.healthier
3.listening
4.beats
5.longer
6.good
7.care
五、1.Insomeways,welookthesame.
2.Helikestodothesamethingsasme.
3.However,webothlikegoingtotheparites.
4.palying
5.Idon'tthinkdifferencesareimportantinfriendship.
SectionB:
一、1.stayathome
2.twoyearsago
3.begoodatmath
4.stopdoinghomework
5.makemehappy
6.更流行
7.一名小学生
8.一名更好的学生
9.停下来去看书
10.更外向
二、1.funny;funnier
2.calmer
3.moreserious
4.moreintellectual
5.happier
6.stronger
7.thinner
8.popular
三、BCDEA
四、1.Bearlier
2.Amore
3.B;lived
4.Claugh
5.Bbig
单元自测:
一、
1-5DBCDB
6-10CCCAD
11-15BCCBD
二、1-5CBDAC
6-10BBCAD
三、1-5CBACD
6-10CACBD
四、DBAEC
五、1.twicelarge
2.Howmuchis
3.awith
4.howto
5.Ifdon't
六、1.photos2.ways
3.eyes
4.shorter
5.hers
6.sports
7.moreoutgoing
8.going
9.parties
10.us
七、1.happier
2.both
3.staying
4.healthier
5.most
6.Although
7.playing
8.views
9.angry
10.whole
八、1.youngershorter
2.oldtallerheavier
3.older
4.shorterthinner
5.heavyyounger