问题
选择题
获得牛顿第一运动定律的研究方法是[ ]
A．只用推理
B．只用实验
C．数学推导
D．实验和推理
答案
答案：D
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获得牛顿第一运动定律的研究方法是[ ]
A．只用推理
B．只用实验
C．数学推导
D．实验和推理
答案：D
Once there was a father and a son. They were ill-tempered(坏脾气的) and never gave way（退让）to 1. One day the father 2 to ask some friends to dinner in his house. He 3 his son to buy some meat in town. When the son walked towards the town gate, a man was coming from the outside. The gate wasn’t 4 enough to let two men in and out at the same time. But neither of 5 would give way to the other. They stood straight face to face inside the gate hour after hour. But the father was worried. “What shall I do? My son hasn’t 6 yet. I can’t wait any more.” He wanted to know what was the 7 with his son. So he left his friends at home ,and went to town 8 his son. “You may first take the 9 home for my friends .Let me 10 here against him instead.” he said to his son when he knew what had happened.
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| 归类记单词。 | |
2. 数字 ____________________________ 3. 颜色 ____________________________ 4. 文具 ____________________________ 5. 家庭成员 ____________________________ |