题目

How to stop sleeping in Class? Sleeping in class prevents you from paying attention to the teacher as well as stops you from learning about the material that is being taught. It can also get you in trouble with your teachers. It is important to determine why you are falling asleep in class ant try to change the situation so that you are able to stay awake and pass all of your classes. __36__ __37__ It is reported that teenagers may need more sleep than adults. Go to bed earlier and ,make sure you get as many hours of sleep as your body needs. This is a key to staying awake in class. If 下列食品、调味品的制作过程中，没有发生化学变化的是（　　） A、鲜奶制酸奶B、黄豆酿酱油C、糯米酿甜酒D、水果榨果汁