题干
补全表格中所缺信息。
How to keep healthy | |
First | Have enough sleep，or we may____ |
Second | Eat plenty of healthy food like____and fruit． |
Third | Drink something healthy such as apple juice and____ |
Finally | Exercise often一____or run to make us healthy and____． |
答案(点此获取答案解析）
get ill,green vegetables,milk,play basketball,strong
是定义在
的偶函数，则
的值为 （ ）
