1. balls

2. baseball 棒球 棒球运动是一种以棒打球为主要特点，集体性、 对抗性很强的球类运动项目。是一种团体球类运 动, 法定比赛人数最少为 9 人，利用球棒和手套， 在一个扇形的棒球场里进行比赛。比赛中，两队 轮流攻守：当进攻球员成功跑回本垒，就可得 1 分。 九局中得分最高的一队就胜出。 它在国际上开展较为广泛，影响较大，被誉为 “ 竞技与智慧的结合 ” 。在美国、日本尤为盛行， 被称为 “ 国球 ” 。

3. Do you want to learn to play baseball?

4. coach 教练

5. How to play baseball?

6. Three actions in baseball throw 扔 hit 击 catch 接

7. throw 扔

8. hit 击

9. catch 接

10. The weather gets warmer and warmer. My family begins to play baseball in the backyard （后院）. We play for hours in the afternoon. My sister and I learn a lot of skills （技能） from this. We learn how to throw a ball, how to hit, and how to catch. Our dad usually works a coach. With his help, we learn how to play the sport. While playing, we also learn from each other （互相） and help each other. The game of baseball is a chance for everyone to learn and grow. It is a team game. And the most important thing is to have fun( 有趣的，愉快的 ). Winning isn’t important. We don’t sit at home the whole summer! Playing baseball with the family is really fun!

11. Some tickets for a baseball game

12. Baseball museum is far. How can we go there?

13. Bike or car?

14. It is fast.( 快的 ) It will use( 用 )a lot of energy. It will pollute the air.( 空气 )

15. It is easy. It is used for exercise( 锻炼）. It is slow.

16. The baseball game is wonderful.

17. school, cars, easy, air, exercise, use Many people in the world ride bicycles every day. There are more bicycles than__ in the world today. A lot of Chinese people ride bicycles to go to work or ___. Bicycles are much cheaper than cars. And it is ___ for people to learn to ride. Bicycles are also used for ___. It helps us to keep fit. If each family has a car, it will__ a lot of energy and pollute the ___. So let us ride bicycles.

18. school, cars, easy, air, exercise, use Many people in the world ride bicycles every day. There are more bicycles than cars in the world today. A lot of Chinese people ride bicycles to go to work or school. Bicycles are much cheaper than cars. And it is easy for people to learn to ride. Bicycles are also used for exercise. It helps us to keep fit. If each family has a car, it will use a lot of energy and pollute the air. So let us ride bicycles.

19. Peter and his dad

20. 1. Peter has a new bike. True □ False □ 2. His dad is checking the bike for him. True □ False □ 3. Peter forgets to wear a helmet. True □ False □ 4.There are some rocks （岩石） in front of them. True □ False □ 5. His dad falls off( 跌落 ) his bike. True □ False □ 6.Peter didn’t check the brakes of his bike. True □ False □