题型：问答题 简答题 已知函数f（x）=x3+ax与g（x）=2x2+b的图象在x=1处有相同的切线．（Ⅰ）求a，b的值；（Ⅱ）若不等式f（x）≥mg（x）在[12，2]上恒成立，求实数m的取值范围． 查看答案
题型：问答题 简答题 Of the three statements he has suggested __ the heating problem, I think the last one is the best. A．solvingB．to solveC．to solvingD．solve 查看答案