【简答题】When you cut your skin, you bleed(流血). If a person loses a lot of blood, he will become ill and may die. Blood is very important. People have always known that. At one time, some people even drank blo...
【简答题】Have you ever been ill? When you are ill, you must be unhappy because your body becomes hot, and there are pains all over your body. You don’t want to work, you stay in bed, feeling very sad. What mak...
【简答题】A.People will become seriously ill. B.People will become dependent on them. C.They will make people feel tired. D.They will give people headaches.