题目

—Could we put off our wine festival?    —__________. It will be held as planned.    A.Not exactly                     B.Not really                C. I’m not sure           D. I don’t care 答案：B函数f(x)=1log12(2x+1)的定义域是（　　）A、(12，+∞)B、(-12，0)C、(-12，0]D、（0，+∞）