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Unit 7 Topic 3 Section D
课文讲解及课文句子成分分析
一 .课文及翻译 ：
Healthy eating is important for us . What and how should we eat to be healthy
健康饮食对我们很重要。我们应该吃什么以及怎么吃才能保持健康呢？
First , we need to have enough food , never too much or too little . The food must be clean and we should cook it in a right way .
首先，我们需要有足够的食物，既不过多也不过少。食物必须干净，并且我们应该以正确的方式烹饪它。
Second , it ' s very important for us to have different kinds of foods .
其次，吃不同种类的食物对我们来说非常重要。
Bread ,meat , fish , eggs , milk , fruit and vegetables are all necessary parts of a good diet .
面包、肉、鱼、鸡蛋、牛奶、水果和蔬菜都是良好饮食的必要组成部分。
Bread gives us energy . Meat , fish , eggs and milk help our bones grow . Fruit and vegetables make us more healthy .
面包给我们提供能量。肉、鱼、鸡蛋和牛奶帮助我们的骨骼生长。水果和蔬菜让我们更健康。
Third , we should eat regularly .
再次，我们应该有规律地吃饭。
It ' s said that half of the students don ' t have breakfast regularly or don ' t eat anything at all in the morning .
据说有一半的学生不经常吃早餐或者早上根本不吃任何东西。
It is bad for their health . In fact , a good breakfast keeps us strong .
这对他们的健康是有害的。事实上，一顿好的早餐让我们保持强壮。
In short , we should not only eat enough good , healthy food but also eat regularly .
简而言之，我们不仅应该吃足够的好的、健康的食物，而且应该有规律地吃饭。
二 .课文句子成分分析及知识点 ：
Healthy eating is important for us.
主语：Healthy eating
谓语：is
表语：important
状语：for us
知识点：形容词短语“healthy eating”作为主语，表示“健康饮食”。
What and how should we eat to be healthy
主语: we
谓语: should eat
宾语: What and how
目的状语: to be healthy
知识点:疑问词: What and how 作为宾语，表示询问“什么”和“如何”。目的状语: to be healthy 说明了“吃”的目的，即为了健康。
拓展:在英语中，当使用疑问词作为宾语时，句子通常呈现为倒装结构。例如，正常句“We should eat what and how to be healthy”变为疑问句后就成了“What and how should we eat to be healthy ”。
First, we need to have enough food, never too much or too little.
并列句，由逗号分隔的两个分句组成。
第一个分句：
主语：we
谓语：need to have
宾语：enough food
第二个分句（并列结构）：
状语：never
谓语（省略了与第一个分句相同的主语和助动词）
宾语：too much or too little
知识点：never too much or too little 是省略了与前句相同的主语和助动词的并列结构，表示“既不过多也不过少”。
The food must be clean and we should cook it in a right way.
并列句，由and连接两个分句。
第一个分句：
主语：The food
谓语（情态动词+系动词）：must be
表语：clean
第二个分句：
主语：we
谓语：should cook
宾语：it
状语：in a right way
知识点：in a right way 是介词短语作状语，表示“以正确的方式”。
Second, it's very important for us to have different kinds of foods.
形式主语：it
谓语：is
表语：very important
状语：for us
真正的主语：to have different kinds of foods
知识点：it's important for sb to do sth 是固定句型，表示“对某人来说做某事很重要”。
Bread, meat, fish, eggs, milk, fruit and vegetables are all necessary parts of a good diet.
主语：Bread, meat, fish, eggs, milk, fruit and vegetables
谓语：are
表语：all necessary parts of a good diet
知识点：of a good diet 是介词短语作后置定语，修饰parts。
Bread gives us energy.
主语：Bread
谓语：gives
宾语：us
间接宾语：energy
知识点：give sb sth 是固定结构，表示“给某人某物”。
Meat, fish, eggs and milk help our bones grow.
主语：Meat, fish, eggs and milk
谓语：help
宾语：our bones
宾语补足语：grow
知识点：help sb (to) do sth 是固定结构，表示“帮助某人做某事”。
Fruit and vegetables make us more healthy.
主语：Fruit and vegetables
谓语：make
宾语：us
宾语补足语：more healthy
知识点：make sb + 形容词 是固定结构，表示“使某人处于某种状态”。
Third, we should eat regularly.
主语：we
谓语：should eat
状语：regularly
知识点：regularly 是副词作状语，表示“有规律地”。
It's said that half of the students don't have breakfast regularly or don't eat anything at all in the morning.
主语：It
谓语：is said
宾语从句：that half of the students don't have breakfast regularly or don't eat anything at all in the morning
知识点：It's said that... 是固定句型，表示“据说……”。
It is bad for their health.
主语: It
谓语: is
表语: bad
状语: for their health
知识点:主语It: 在这里是形式主语，真正的主语是后面的不定式或从句（但在此句中并未明确给出）。
be bad for: 固定搭配，表示“对...有害”。
拓展:在英语中，为了避免句子头重脚轻，常常会用形式主语It代替真正的主语（如不定式、从句等），并放在句首。例如，“To eat too much candy is bad for your health.” 可以改写为 “It is bad for your health to eat too much candy.”。
In fact, a good breakfast keeps us strong.
状语: In fact
主语: a good breakfast
谓语: keeps
宾语: us
宾语补足语: strong
知识点: In fact: 副词短语，表示“事实上”。keep sb. adj.: 固定搭配，表示“使某人保持某种状态”。
拓展:在英语中，宾语补足语用于补充说明宾语的状态或特征。常见的可以作宾语补足语的词性有形容词、名词、动词不定式等。例如，“The teacher asked us to be quiet.” 中，“to be quiet”就是动词不定式作宾语补足语。
In short, we should not only eat enough good, healthy food but also eat regularly.
状语：In short
主语：we
谓语：should eat
宾语：good, healthy food
状语：not only...but also...（表示“不仅……而且……”）
知识点：not only...but also... 是并列结构，连接两个并列的成分，表示两者都重要。

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