1.That girl ______ be Kate,she’ gone abroad.A.must B.may C.can’t be D.mustn’t
题目
1.That girl ______ be Kate,she’ gone abroad.A.must B.may C.can’t be D.mustn’t
2..I don’t know what his feet?Are his feet
A.was happened to ; Itchy B .happened to ; Itchy
C.was happened to ; Itch D.happened to ; Itch
29.__________it was ________so many elephants marching along the street
A.How great fun,to see B.What a great fun,seeing
C.What great fun,to see D.How great a fun,to see.
答案
C.can’t be
B .happened to ; Itchy
C.What great fun,to see
举一反三
已知函数f(x)=x,g(x)=alnx,a∈R.若曲线y=f(x)与曲线y=g(x)相交,且在交点处有相同的切线,求a的值和该切线方程.
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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