)1.---I’d like ______ dress.What about ____ blue one?--- Try it on.A.a; the B.
题目
)1.---I’d like ______ dress.What about ____ blue one?--- Try it on.A.a; the B.
)1.---I’d like ______ dress.What about ____ blue one?--- Try it on.
A.a; the
B.a; a
C.the; the
D.the; a
( C )2--Would you like some________?---No,thank you.I’m not hungry at all.A.tea B.coffee C.water D.bread ( A )3.I think necessary to do some running in the morning.A.it
B.that C.this
D.one
答案
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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