6．Plants need CO₂ when they grow, so they can make CO₂ 　　　　　　　　　(更少的) in the air.　

5．Modern planes can easily get us over a long distance in a few h　　　　　　　 ．

4．Yunnan University has a 1ong history. It has celebrated its eightieth 　　　　　　　　．

3．Do you know what your parents ' f　　　　　　　　 　foods and colors are?　

2．There are many interesting places for children everywhere．But Disneyland is c　　　　　 　the

happiest place on earth．

1．You have to believe in y　　　　　 　　　　　. That's the secret of success．

10．Lin Tao is taller than any 　　　　　　　　　(别的) boy in his class．

第(3)组：

9．There are a lot of tall 　　　　　　　　　　(楼)　 in the new city．

8．Hundreds of people were　 　　　　　　　　　(受伤)　 in the train accident．

7．　　　　　　　 　(记住) to give my best wishes　 to Mr Li when you see him．