阅读理解

                                                                                      (B)

    Long long ago, there was no paper in the world. People had to write characters(汉字) in bamboo slips or stones.Then there was a man named Cai Lun who was a Chinese man. He made people use all kinds of things to invent paper. From then on, people can use paper to write on. Paper is a great invention. We always remember the great inventor Cai Lun. Nowadays paper is very useful in our work, study and our life. It really means a lot to human beings.

根据短文内容，判断下列句子的正 (A)与误 (B)，并在答题卡的相应位置将其涂黑。

    Last week our school held a sports meeting. Everyone in our class felt very 1 because we 2 many matches. In the boys' relay race, Michael3 very fast and our class won the first place. Alice did well 4 the long jump and she also won. We're sorry that we did 5 in the high jump than other classes, but we're sure we could do better next time. I took part in the boys' 6 race. I did my best and was the first 7 the finish line. This encouraged 8 a lot. Now I love sports better and I think nothing makes me9 than taking exercise everyday and I believe some day I 10 able to be the best soccer player and take part in the Olympic Games.

在同一位置以相同的速率把三个小球分别沿水平、斜向上、斜向下方向抛出，不计空气阻力，则落在同一水平地面时的速度大小（   ）