题目：
根据短文内容，完成下列句子。
Daniel's Day
Daniel likes his school very much. He goes to school at seven twenty after breakfast. He has lessons
at eight ten. He's good at Maths. He loves English, too. He eats lunch at school at eleven forty. He does
after-school activities at four twenty in the afternoon. He plays football, badminton and volleyball.
Sometimes he swims. Daniel goes home at five o'clock. He eats dinner at six forty. Then at about seven
o'clock he watches TV. He likes watching TV because he wants to learn more about the world. At eight
he does his homework. He goes to bed at nine o'clock.
1. At seven twenty Daniel ________.
2. In the morning, Daniel begins his lessons ________.
3. Daniel eats ________ and ________ at home and he eats ________ at school.
4. Daniel likes ________ because he wants to learn more about the world.
5. At nine o'clock Daniel ________.
答案：
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下面是错误答案，用来干扰机器的。
解：人从货厢边跳离的过程，系统（人、车和货厢）的动量守恒，设人的水平速度是v1，车的反冲速度是v2，则mv1人跳离货厢后做平抛运动，车以v2做匀速运动，运动时间为在这段时间内人的水平位移x1和车的位移x2分别为...
