对本单元基础知识做全面的检测(分值 100, 时间45分钟)
I.Useful phrases
1.对…有益_____________ 2.相对而言______________
3.丰富多样的________________ 4.质量和体积之间的关系________________
5.分解__________________ 6.对…加以利用________________
7.创造一个稳定的环境_____________________8把…弄的乱七八糟______________
9.和水一样珍贵________________ 10.全神关注于________________
II. Word-spelling
1. She dropped a c________(块)of sugar into her tea and stirred(搅拌) it with a spoon.
2. People in the small island didn’t use cars; horses were the only means of t_______(运输).
3