从斜面上滚下来的小球能将水平面上的木块撞出一定的距离，我们说滚动着的小球具有动能。同样的小球，从斜面的更高处滚下，它在水平面上的速度____，将木块撞得____，则小球的动能____，所以说小球的速度____，则动能越大。从同一高度滚下的质量不同的小球 ，刚滚到水平面时，所具有的速度____(填“相同”或“不同”)，但质量大的小球将木块撞击得更____(填“远”或“近”).由此可见，以相同速度运动的物体，质量越大，动能____。

①一瞬间：____。

②舒畅：____。

阅读下面短文，掌握其大意，然后从每题所给的A、B、C、D四个选项中选出一个最佳选项。

    My name is Jenny. I am twelve years old. I have some   1 . They are Mike, Jack, Mary and Kate. We are middle school   2  . Mike and Jack   3  in the same class.  4are in Class Two, Grade One. Mary, Kate and I are  5  Class Three. This is Mr. Green.  6is our English teacher. This is 7new classroom. In the classroom, you can see 45 desks and chairs. They are green. A blackboard, a clock and a map are  8 the wall. On a desk you can see  9  pencils. The red one is mine. The green one is Kate's. The yellow one is Mary's. Mike's pencil isn't there. His pencil is in his bag.

    Look! You can see a ball under a desk. That's Kate's desk. The ball is   10 , too. This is my desk. You can see some books on it. They are our new books.