2011年考研 英语大作文范文
As is shown in this picture, two friends are taking sightseeing by boat while a man is paddling for them. As these two tourists are happily eating some snacks, they discard the waste into the river casually. Not far away from them we can see the river is teamed with all kinds of garbage, including food basket, food packaging, bottles, lunch-box and watermelon peel. What a di
