－WhereisHaikou,doyouknow?－Yes.It'sthecapitalofHainanProvince.It'sthenortheastoftheisland.[]A．atB．withC．onD．in
| －Where is Haikou, do you know? －Yes. It's the capital of Hainan Province. It's ________ the northeast of the is land. [ ]
|
选出发音不同的单词1.a.p(ai)ntb.b(ea)nc.gr(ea)t.2.a.p(oor)b 2020-04-25 …
已知数列a(n)为等比数列,a(4)=16,q=2,数列b(n)前N项和s(n)=1/2*n的平方 2020-05-13 …
把单词的括号部分的音标（快快快急急急）()1.A.bit(i)B.dish(i)C.like(i) 2020-05-14 …
正确抄写：JIMSHALLWESEERABBITRUNNEXTTIMEOK二.选出发音不同的单词a 2020-05-16 …
已知m,n是自然数,a^m-3*b^2*c-1/7a^2*b^n-3*c^4+1/12a^m+1* 2020-06-12 …
1+2+3+4+5+.+n=0.5n^2+n1^2+2^2+3^2.+n^2=n(n+1)(2n+ 2020-08-03 …
公式难题,abcdefgn分别为不等的数值.a+b+n=?a+c+n=?a+d+n=?……………… 2020-08-04 …
下面加点字的读音全都正确的一项是（）A．脊梁(jǐ)溺爱(nì)炮烙（páo）瞠目结舌(chēng) 2020-11-02 …
设数列{an}满足a(n+1)=2an+n^2-4n+1.(1)若a1=3,求证:存在f(n)=an 2020-11-19 …
公式难题...abcdefgn分别为不等的数值.a+b+n=?a+c+n=?a+d+n=?…………… 2020-11-28 …