题目

生物圈是地球上最大的生态系统，也是一个统一的整体，是地球上所有生物共同的家园．（判断对错） 答案：正确II、根据句意及汉语提示填写单词。【1】It’s not easy for Chinese students to__________(学习) English well.【2】She practices____________(游泳) in the pool on Sunday afternoons.【3】In Joe’s home, he must____________(遵守) a lot of rules.【4】Ben has a new bike. He likes it very much. Look! He’s____________(骑) the bike to school.【5】Our English teacher is very kind. She is ____________(友好的) to us.