单项选择.1.Would you please______ your shoes on the floor A not throw B not to throw C not thr
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单项选择.1.Would you please______ your shoes on the floor A not throw B not to throw C not thr
单项选择.1.Would you please______ your shoes on the floor A not throw B not to throw C not throwing D not threw .2.______he is,_____he feels.A The busier ,the happy .B.The busy ,the happy.C.The busier,the happier.D The busier ,the happiest.
答案
A
C
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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