你能举出一些生命离不开空气的例子吗？

弘文中学定于十一月份举行运动会，组委会在整修百米跑道时，工作人员从A处开工，约定向东为正，向西为负，从开工处A到收工处B所走的路线（单位：米），分别为+10、﹣3、+4、﹣2、+13、﹣8、﹣7、﹣5、﹣2，工作人员整修跑道共走了多少路程？

选词填空。

A.sunny     B. morning    C. OK   D. weather    E. zoo

A: Good ____.

B: Good morning.

A: How is the ____?

B: It's ____.

A: Let's go to the ____.

B:____.

相传“桀把人当坐骑”反映的社会情况是（    ）

根据短文内容，选择正确答案。
C
    Mr. Brown lives in a nice house in a small town with his wife，Mrs. Brown. From Monday to Friday he works in an office near his house. He is free on Saturdays and Sundays. He has a nice garden beside his house. He likes growing flowers and he often works in the garden on Saturdays and Sundays. The flowers are very beautiful and Mrs. Brown likes them very much. She often helps Mr. Brown.