Ⅰ.单词拼写
1．She watched him at last disappear (消失) into the darkness and finally shut the door.
2．The fierce (凶猛的)flood swept away my house.
3．The first living creature (生物) sent into space was a dog named Laika.
4．Sharp (敏捷的) eyes and a sense of color help birds find food and also help them find where their enemies are.
5．Overall，more than 70 percent of the surface (表面) of our planet is covered by water.
6．He had lost his reputation (名声) as a strong man, having been defeated twice by a mere boy.
7．The rural environment was having a positive (积极的) effect on the children's health.
8．My sister's really generous (大方的)．She's always buying things for her friends.
9．The mayor immediately went to look at the destruction (毁坏) caused by the earthquake.
10．We are sceptical (怀疑的) about what he said.
