People have been interested in robot for quite some time.Scientists are always inventing new and bet
题目
People have been interested in robot for quite some time.Scientists are always inventing new and better robots.It is known that robots p_______ an important role in our lives.
First of all ,in real life ,robots are w________ used in factories.
答案
play 机器人在我们的生活中起重要作用.
widely 首先,在现实生活中,机器人在工厂中广泛应用.
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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