食物中一般都含有______、______、______以及维生素、无机盐、水等人体必需的营养物质．
食物中含蛋白质、糖类、脂肪、维生素、无机盐、水等六大类营养物质，它们各具有一定的作用．糖类、脂肪、蛋白质都是组成细胞的主要物质，并能为生命活动提供能量．糖类是主要的供能物质，能为人体的生命活动提供能量人体进行生命活动所需要的能量70%都来自于糖类的分解；蛋白质是构成人体细胞的基本物质，与人体的生长发育以及细胞的修复和更新有重要关系，也能提供少量的能量；脂肪是备用能源，一般存储在皮下备用．水、无机盐、维生素不能提供能量．
故选答案为：糖类；脂肪；蛋白质
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| I still remember father spent plenty of time teaching me how to pronounce a word, how to understand something that I saw for the first time and how to be polite to others. And I will never __1__ one sentence my father used to say to me, "I love you, son. Say you love me, son." __2__, I would scream, "I love you, Dad." When I was growing up, I found that I had little in __3__ with my father gradually. Sometimes we often argued about something sharply and then the argument changed into a __4__. I knew there was a gap bet ween us. I didn't __5__ hearing the words "I love you" from my father the last time. To tell you the truth, I couldn't honestly remember when I had last said those words to him, either. Now father was in hospital. The doctor said it was __6__ and he needed an operation at once, __7__ he wasn't sure whether my father was able to survive (幸免于, 经受得住) it. Everything in my childhood __8__ in my mind. Then I called and said, "Dad, I love you!" There was a __9__ at the other end and he replied coldly, "Well, I love you, too!" I cried and said, "Dad, I know you love me, and when you are __10__, I know you will say what you want to say." Fifteen minuets later my mother called and nervously asked, "Paul, is everything OK?" A few weeks later I was working when I received my father's call, "Paul, I love you." I was so __11__ that my tears rolled down my cheeks. Perhaps both of us __12__ that this special moment had taken our relationship to a new level. A short while after this special moment, my father finally narrowly escaped death following the heart operation. I can't __13__ that if I did not take the first __14__ and Dad did not survive the surgery, what kind of life I would lead now. | ||||
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