高中二年级一年,强人将浮出水面,鸟人将沉入海底。 高中二年级重点解决三个问题:一,吃透课本;二，找寻合适我们的学习技巧；三，总结自己考试方法，形成习惯。为了帮你的学习更上一层楼，智学网高中二年级频道为你筹备了《高中二年级英语必学三第二单元重点：Healthy eating》期望可以帮到你！

1. Choosing what to eat is no longer as easy as it once was.

大家在选择吃的东西方面，目前不像过去一样简单了。

[问]as在此处作何讲解?

[答]作连词，表示比较。又如：My hometown is no longer the same as it was. 我的家乡同过去不同了。

2. if we want to keep up with the high pace of modern life, we had better learn to make the right choices about what and how we eat. 假如大家要跟上现代生活的节奏，大家好掌握正确的选择吃那些与如何吃。

[问]怎么样剖析此句?

[答]这里if引导的是条件状语从句，we had better ...是主句，what and how we eat 是宾语从句做about的宾语。keep up with 赶上，跟上，had better好。

3. When we choose what to buy and eat, we had better think if the food will give us the nutrients we need. 当大家选择大家想要买和想要吃东西的时候，大家好想一想这类食物是不是提供了大家所需要的 营养。

[问]这个句子中有三个从句，对吗?

[答]对。when...， 是时间状语从句;if...是宾语从句;we need是定语从句。

4. Some nutrients help build our body and amke it stronger. 一些食物能够帮助大家增强体魄。

[问]build our body and make it stronger 一块做help的宾语吗?

[答]是的。

5. Caicium, which is found in eggs, milk and other dairy products, is good for our bones and teeth.

[问]which is found in eggs, milk and other dairy product 是定语从句吗?

[答]是的。而且引导词which在从句中作主语，代替calcium。

1. Which of them do you think -- to go to the meeting?

A. should B. must C. ought D. to be

2.--Where is he?--He books in the library.

A. must read B. must be readingC. must have read D. read

3. These machines ought once a week.

A. to be cleaned B. to cleaned C. clean D. be cleaned

4. He suggested that he there by train.

A. should go B. went C. going D. will go there

5. The teacher advised the students to English every day.

A. listen B. to listen C. listening D. listened