问题
选择题
| _____ are good students. |
A. I and Tony B. Tony and I C. Me and Tony D. Tony and me |
答案
答案：B
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| _____ are good students. |
A. I and Tony B. Tony and I C. Me and Tony D. Tony and me |
答案：B
某同学在探究重力大小与质量的关系时，分别用天平和弹簧测力计测出不同砝码的质量和所受的重力，实验数据记录如下．根据下表数据可得到的结论是：______．
| 钩码的质量/kg | 0.05 | 0.1 | 0.15 | 0.2 | 0.25 | 0.3 |
| 钩码受到的重力/N | 0.49 | 0.98 | 1.47 | 1.96 | 2.45 | 2.94 |