题目

Let’s ______ the students ______. A. wish, successful  B. wish, success C. hope, successful  D. hope, success 答案：B2．下列二次根式中与$\sqrt{3}$是同类二次根式的是（　　）A．$\sqrt{\frac{1}{9}}$B．$\sqrt{18}$C．$\sqrt{8}$D．$\sqrt{12}$