1---Mumcouldyoubuymeadresslikethis?--Certainlywecanbuyonethanthisbutthis.A.abetter;betterthanB.aworse;asgoodasC.acheaper;asgoodasD.amoreimportant;notasgoodas
1---Mum could you buy me a dress like this?
--Certainly we can buy _______ one than this but ________ this.
A. a better; better than
B. a worse; as good as
C. a cheaper; as good as
D. a more important; not as good as
C
先能明白（1）小题的解答过程,再解答第（2）小题,（1）已知a²-3a+1=0,求a²+1／a²的值 2020-03-31 …
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数集A满足条件：若a∈A则（1＋a）/（1—a)∈A(a≠1).若1/3∈A,求集合中的其他元素. 2020-04-06 …
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1.计算:a^m[a^(m+1)-a^m+a^(m-1)]-a^(m-1)[a^(m+1)+a^m 2020-05-14 …
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已知数列{a（n）}中,a（1）=2,a（n）-a（n-1）-2n=0(n≥2,n∈N),设Bn= 2020-05-21 …
－Dad,couldyoubuymeaMP3likethis?－Ofcourse,wecanbuy 2020-07-26 …
---Mum,couldyoubuymeadresslikethis?---Certainly,w 2020-07-26 …
1---Mumcouldyoubuymeadresslikethis?--Certainlywec 2020-07-26 …