生物膜在细胞的许多生命活动中发挥着重要作用．请回答以下问题：

（1）叶绿体和线粒体都是与能量转换有关的细胞器，两者中与 ATP 合成密切相关的膜结构的名称分别是____ 、____．

（2）科学家用____ 法能够分离细胞的各种结构．分离动物细胞结构时必须首先破坏细胞膜，破坏细胞膜最简便的方法是____ 

（3）在物质跨膜运输过程中，与细胞膜选择透过性密切相关的成分是____ ．

根据对短文的理解，选择正确答案。

    For children,healthy eating is one of the most important things. Here are some ideas about how to keep fit.

    Having breakfast

    A good breakfast is very important for children. But some children often go to school without breakfast, just because they want to sleep a little longer. Remember a good breakfast will help you study better.

    Having milk

 “My dream is that all the Chinese children can get half a kilo of milk a day.” The Chinese Premier(总理)Wen Jiabao said this during(在……期间)his visit to a milk farm.Milk is also very important to children's health. It makes children grow stronger. It's better for you to have a glass of warm milk before going to bed.That will help you have a good sleep.

    Having healthy food

Having healthy food is the most important. That is eating lots of different kinds of food,especially(尤其)fruit and vegetables.Don't eat too many sweet snacks. Some of you like eating fast food, but it is not good for your health.