12.Listen to the passage and complete the following sentences(聽短文,完成下列內容.每空格限填一詞):
21.Enough sleep is very important to have a略.
22.Eating is a time when you can take a break from studying and rest略.
23.Have略,略,fishes and fruits.These foods have lots of nutrients.(營養(yǎng))
24.For example,add略and different略to the things you need to memorize.
25.Exercise not only improves the body but improves略.