The questions are a bit confusing. Did you write these questions by yourself, or you just copy and paste them here? I couldn't answer the first one because ,well, it hinges on the name of food which hasn't been told yet. But, if you name one, such as meat, you could say something like 'Yes, I do. I am a carnivore and meat is definitely my favourite. I mean, all kinds of meat, but mostly I eat poultry and veal because, you know, less fat included.' Or else if you happen to be a vegetarian, it'd be a different image. As to the second question, I think you should list some kinds of food, such as rice, meat, vegetables, seafood, dairy products and fruit. But then you'd better extend your answer by telling why you think they're needed. For example, you could say 'rice can offer us energy, vegetables can provide a wide range of vitamin and so do seafood, meat and fruits.By eating them we can get all adequate nutrition for our lives and keep healthy.'

What is the question

看起来你在准备某种考试的问题。第一个问题问你：是否需要某种食物，根据食物名称的不同有不同的答案，我的回答中是以肉类作为例子的。先说是否需要，再说为啥。第二个问题问你：需要哪些食物。你先要例举一些食物名称，然后说为啥。我的答案也给出了例子，自己看，不翻译。