选词填空。
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 bicycle.

cat  （   ）

A．猫

B．狗

想一想你的五官都有什么作用。
(1)

A．
(2)

B．
(3)

C．
(4)

D．

选出不同类的一项。
（_____）（1）A. centimetre    B. kilogram C. river
（_____）（2）A. live B. park C. visit

单词翻译
(1) weekend__________ maple ___________
(2) sadly __________   syrup_______________
(3) sweet ___________________