题目

先通读短文，掌握其大意，然后从A.B、C、D四个选项中选出一个可以填入相应空白处的最佳答案。 Hello!I'm1.I'm an English boy. I2two sisters.3are Sonia and Linda. Sonia has a greatsports(运动) collection(收集). She has a soccer ball,three volleyballs4four basketballs. But she5play sports, she only6themon TV. Linda has a sports collection,7. She has two tennisballs and8baseball. And she has many ping pong balls9her drawer(抽屉).She10ping-pongevery day. （1） A . Lucy B . Alan C . Sonia D . Lily （2） A . have 质量为1 kg的平底空水桶，底面积为700 cm2，水桶内装有30 cm深的水，放在水平地面上，水对桶底的压强比水桶对地面的压强小1 000 Pa，当小明用竖直向上的力F提水桶但未提起，水桶对地面的压强为1 800 Pa，则(g取10 N/kg) A．桶内水的质量为28 kg B．水桶内水的质量为27 kg C．F的大小为154 N D．F的大小为126 N