录音中有一篇短文，听短文两遍后，根据所听内容填写下面的表格．(每空不多于四个词)
|
What problem does the speaker talk about? |
61．________ |
|
When did Earth Day start? |
62．________ |
|
What kind of pollution is talked about? |
Water，air and 63________ pollution |
|
What does the speaker think of Earth
Day? |
The most 64________festival |
|
What suggestions does the speaker give
to protect the earth? |
Plant trees，65_____or pick up litter at sightseeing
spots |