题目

     everyone can hear the speaker there is no      of turning up the radio.     A. Now that; point  B. Even if; point  C. Now that; need  D. Even if; need 答案：A 物理学是一门以实验为基础的学科，实验中仪器的读数是必不可少的．请你读出图中三种仪器测量的读数：(1)________(2)________(3)________