好的++++++++分
题目
好的++++++++分
Mary:look at my holiday pictures.
Amy :how nice!( ) on your holiday?
Mary:I went to austalia with my parents.
Amy :(
Mary:we saw kanggaroos and koalas.
my dad ( )for us.
Amy :did you have a good time on your holiday?
Mary:( ).we had a lot of fun on our holida.what about your holiday?
Amy :Istayed at home and ( ).
Mom cooked a lot and I ( ).
答案
Amy :how nice!( 1.What did you do) on your holiday?Mary:I went to austalia with my parents.Amy :( 2.What did you see)?Mary:we saw kanggaroos and koalas.my dad ( 3.take pictures)for us.Amy :did you hav...
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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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