1. 教室里太乱了，我无法集中精力学习。

It’s so noisy in the classroom that I can’t ______ ______ my study.

2. 为了减肥，她目前正在尽力节食。

In order to lose weight，she is trying to go on ______ ______at the moment.

3. 不要对学生们太苛求，他们毕竟还是孩子。

Don’t be too ______ ______the students. After all, they are still children.

4. 他还告诉我们赢得尊重的最佳途径就是专心学习并取得好成绩。

He also told us that the best way to earn respect was to ______ ______ to study and get high grades.

5. 我发现这里布置的家庭作业不像我以前在原来学校时那么繁重。

I found that the homework here was not so heavy ______ ______I used to get in my old school.

6. 很多青少年感到孤独，好像没有人理解他们以及他们正在经历的变化。

Many teenagers feel lonely, as if no one understands them and the changes they are ______ ______.

7. 男孩和女孩在这方面往往有所不同。

Boys and girls______ ______ be different in this regard.

8. 你应该充分利用每分每秒来实现目标。

Every minute and every second should be made the most of ______ ______ your goal.

9. 这个问题值得在课上再次讨论。

This problem ______ ______ be discussed again in class.

10. 如果你能遵循以上建议，你的气色和感觉很快就会好得多。

If you ______ the suggestions above，you will look and feel much better _____no time.

假设李磊是你(李平)的朋友，他给你写了一封邮件，向你寻求一些如何保持健康的建议。请你给他回一封邮件，给他提出一些建议。你的回信中需要包含以下内容。

健康对于我们来说是非常重要的。为了保持健康，我们需要知道一些常识（common knowledge）。

首先，注意你的饮食。你应该吃大量的水果和蔬菜。因为水果和蔬菜对健康有益。同时,不要吃太多含脂肪（fat）的食物。

其次，锻炼时必需的，经常性的锻炼能使你保持身材。专家建议青少年每天花至少半小时锻炼。

最后，养成良好的生活习惯。充足的睡眠能让你看上去很棒。

如果你能遵循以上建议，你一定能保持健康。

词数100左右。格式已经给出。

Dear Lilei,

I was very glad to hear from you and I’d like to share the way to keep fit with you.

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                                      Yours

                                        Liping