问题
选择题
在高度为h的同一位置沿水平方向同时抛出两个小球A和B，若A球的初速度vA大于B球的初速度vB，则下列说法中正确的是[ ]
A．A球比B球先落地
B．A、B两球同时落地
C．B球比A球先落地
D．落地时，A、B两球的水平位移相等
答案
答案：B
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在高度为h的同一位置沿水平方向同时抛出两个小球A和B，若A球的初速度vA大于B球的初速度vB，则下列说法中正确的是[ ]
A．A球比B球先落地
B．A、B两球同时落地
C．B球比A球先落地
D．落地时，A、B两球的水平位移相等
答案：B
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| I am an English teacher. I come 1 Beijing. I am thirty. I 2 English at No.1 Middle School. I usually 3 at six in the morning. And I go to work at 7:00 4 bike. I often help my mother 5 the housework on Sundays. Sometimes I go to the park with my friends. Daniel and Mike are my students. They are 6 American boys. They can 7 Chinese well. They often 8 games with 9 after school. They like 10 in the playground. We often run in the playground after school, too. | |||
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