there were so many beautiful f____ on both sides of the road.
题目
there were so many beautiful f____ on both sides of the road.
the old man ____(be) ill and went to see a doctor.
do you like watch TV.(改错)
nobody can make me to cry.同上
on monday morning we have an art class.同上
答案
there were so many beautiful flowers on both sides of the road
the old man was (be) ill and went to see a doctor.
Do you like watching TV?
nobody can make me cry.
on monday morning we had an art class.
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.
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