[10-20 18:09:40] 来源：http://www.67xuexi.com 初一英语 阅读：85903次
2.Only adults（成年人）need to exercise.
3.You should exercise enough but not too much.
4.It's best to exercise once a week.
5.People can exercise alone, or they can together.
参考答案一、单项选择。
1-5 DCDCC 1-6 ABDCA二、句子改错。每句中有一个错误，请改正。
1.将a变为the2.将a变为an3.去掉the4.将an变为a5.去掉a6. Smiths前加The7. 去掉the8. Panda变为Pandas9. 去掉the10. richest前加the三、阅读理解。