1．attack vt.袭击；攻击
2．creature n．动物；生物
3．calm adj.平静的
4．cover vt.占地(多大面积)
5．disappear vi.不见；消失
6．generous adj.有雅量的；大方的；心地高尚的
7．reputation n．名誉；名声
8．positive adj.正面的
[语境运用] 用所给词的适当形式填空。
1．Beijing covers(cover) an area of 16, 000 square kilometers with a population of 1.3 million.
2．In man's early days, competition with other creatures(creature) must have been critical.
3．I hope you'll soon feel much calmer(calm) and carry on as normal.
4．The computer attacked(attack) by some unknown virus can't work well now.
5．The car turned round the corner and disappeared(disappear) from sight.
