( )1. What shape is a soccer ball?
A. Oval. B. Round. C. Square.

( )2. Why do American football players wear helmets?
A. Because they want to look cool. B. Because the game is very physical(身体对抗的). C. Because they need to kick the ball.

【解析】：
题目1考查的是对短文中关于足球形状描述的理解，需要从短文中找到相关信息来选择正确答案。
题目2考查的是对短文中关于美式足球运动员戴头盔原因的理解，同样需要从短文中获取信息来作答。
【答案】：
(1)B
根据短文中“Soccer: The ball is round, like a big circle.”可知足球是圆形的，所以选B。
(2)B
根据短文中“American football: There are also 11 players on each team, but they wear helmets. They carry the ball during the game.”可知美式足球比赛中球员要携带球，比赛身体对抗性强，所以戴头盔，选B。