4. … warm rainy plant kites cool windy fruits yellow leaves hot sunny swim ice-cream cold snowy skate snowman Which season do you like best? Why?

5. There are _____ seasons in one year. four There are_______ months ( 月 ) in one year. twelve Jan. Feb. March Apr. May June Jan. Feb. March Apr. May June July Aug. Sept. Oct. Nov. Dec. July Aug. Sept. Oct. Nov. Dec. There are_______ days in one week. seven Sunday Monday Tuesday Wednesday Thursday Friday Saturday Friday Saturday

6. Sunday Sunday sun sunflower sunbath sun-glasses sun-hat sunrise

7. eastwest The sun rises in the east and sets in the west.

8. North South EastWest China Australia North South earth

9. When it’s spring in China, it’s _____ in it’s _____ in Australia. When it’s summer in China, it’s _______ in it’s _______ in Australia. winter fall

10. Spring is from _____to _____. Summer is from _____to _____. Fall is from _____to _____. Winter is from _____to _____. China Mar. May June Aug. Sept. Nov. Dec. Feb. Australia Spring is from _____to _____. Summer is from _____to _____. Fall is from _____to _____. Winter is from _____to _____. Mar. May June Aug. Sept. Nov. Dec. Feb.

11. China 9600000 km 2 Australia 7692000 km 2 China is ______ than Australia. Australia is _______than China. bigger smaller

12. China 9600000 km 2 Australia 7692000 km 2 _____is bigger than _____. _____is smaller than _____.China 9600000 km 2 Australia 7692000 km 2 England 24100 km 2 Canada 9970610 km 2 America 9372614 km 2

13. bigtallyoungheavystronghotcool -bigger small -smaller -taller - younger -heavier -stronger -hotter -coolershort-shorter old - older light - lighter thin - thinner cold-colder warm-warmer

14. 形容词比较级的规则： （ 3 ）单词后直接加 er ： （ 1 ）单词的最后一个字母双写加 er ： （ 2 ）单词结尾是 y, 先去掉 y ，再加 ier ： heavier smaller older lighter colder cooler warmer bigger thinner hotter heavy

15. sunearthmoonweight（重量） 198.7×10 28 kg 59.72×10 23 kg 7.36 × 10 22 kg age（年龄） 50×10 8 years 46×10 8 years 45.27×10 8 years temperature（温度） 5500 ℃ 37 ℃ -183 ℃ The ____is _______than the____.

16. The earth is getting warmer and warmer.

17. greenhouse effect （温室效应） It’s toooo hot!!!!

18. (1) Throw ( 扔 ) the trash in the river. (2) Pick up the flowers and climb trees. (3) Save ( 节约 ) water. (4) Shoot ( 射击 ) birds. (5) Turn up the air-conditioner to 26 ℃. Throw the trash in the trash bin. Plant trees and flowers. Protect （保护） animals.

19. We live in the earth. We have the blue sky, white clouds, fresh air, clean water and green plants. What should we do? We live in the earth. We have the blue sky, white clouds, fresh air, clean water and green plants. What should we do? We should throw the trash in the trash bin, plant trees and flowers, save water, and we also should protect animals. We should throw the trash in the trash bin, plant trees and flowers, save water, and we also should protect animals. The earth is our home. We must love it. The earth is our home. We must love it.

20. We live in the_______. The earth is_______________________. We live in the_______. The earth is_______________________. There are four seasons in the earth. They are spring, _______, _______, _______. I like ________best. It’s ____________________. I can _____________in _______. I don’t like __________, because __________________. The earth is our _______. We must love it. There are four seasons in the earth. They are spring, _______, _______, _______. I like ________best. It’s ____________________. I can _____________in _______. I don’t like __________, because __________________. The earth is our _______. We must love it.