If you cut down on the time you spend sitting，you might live longer. New research shows that sitting less than three hours a day might extend your life by two years.

【小题1】 But modern lifestyles and office jobs rarely give us the chance to move around. Sitting is something we do all the time and everywhere. We sit while we're eating，we sit in the car and we sit while we are watching TV. And many of us sit for many hours at work. So on average，Americans report that they sit between four and a half to five hours a day.

Exercise is important. But so is not sitting.

You may exercise often. But it does not mean you can sit for the rest of your waking hours. 【小题2】 Even if you exercise for 30 minutes a day，what goes on in the other 23-and-a-half hours a day is also very important，according to a study on how sitting all day affects the length of life. It shows that cutting television time to less than two hours a day could add one point four years to life.

【小题3】

Change is already coming to some offices，especially in the design of desks. A "standing desk" lets people stand while they work. Another new design is called the "treadmill（跑步机）desk". A treadmill is an exercise machine that lets you walk in one place. Even some U.S. schools are beginning to experiment with desks that are part bicycles to keep children moving.

Exercising while working.

【小题4】They may have got five "standing desks" for their employees or a "treadmill desk". Some other companies may not buy one for everybody but they'll have a bank of these desks where people can go for an hour a day and answer their emails or talk on the phone. People are really trying to limit the amount of time spent sitting at the desk.

Suggestions for sitting less.

If you work in an office or have a sedentary（久坐不动的）job，scientists suggest a few simple changes. Get up from your desk as often as you can. 【小题5】 Instead of emailing colleagues，walk to their offices and talk directly. If you are sitting down reading this，stand up. Move your legs. Touch your toes，if you can. Do anything but sit.

All these activities may help you live longer.

Ways to make a great first impression

You’ve heard it a million times already, but it really does take a few seconds to make that all-important first impression. Here are some easy ways for you to impress your classmates or teachers.

● 【小题1】

Before you shake hands with somebody, make sure that your hands are clean. The handshake should not be too strong or weak. Most people use their right hands, unless they have a reason to use the left. 【小题2】.

● Be on time

When meeting someone for the first time, arriving on time is as important as breathing. You may have an excuse, but that will leave the person who hardly knows you with a bad impression. 【小题3】 It’s better to be hanging around the place than be stuck in traffic.

● Introduce yourself and ask for names

Make sure you properly introduce yourself. Ask for their names in a polite way. 【小题4】 This will increase the chances of their remembering your name in the future. Always remember to stand up when greeting someone and be sure to introduce them to anyone you’re with.

● Make good conversations

To get the most out of your discussion, try to find something common between the two of you. 【小题5】 A person will feel more comfortable with someone they can relate to.

   Nowadays it is necessary to be reasonable and flexible enough to avoid conflicts as much as possible and live in peace with others. 【小题1】 If you have done all your best to avoid conflicts but you are still arguing, then read these effective tips on how to avoid conflicts.

1. Don’t get in the center of the conflict.

Sometimes people can get in the center of conflicts because they want to help. Frankly speaking, it is very risky, because it can make you the main figure of the conflict. 【小题2】 You should focus on your own life issues.

2. Be kind.

【小题3】 Life is full of conflicts and disagreements, and that’s why you should find more conservative ways of dealing with them. For example, kindness can lessen the conflict.

3. Try to be a peacekeeper.

Peacekeepers tend to cooperate with people without bad emotions which usually lead to arguments and even conflicts. “【小题4】” This saying is the life motto of a natural born peacekeeper. Don’t worry if you are not a natural born peacekeeper. You can gain this skill during life.

4. Walk off.

When the conflict is gathering pace and you can’t manage to keep yourself, you should choose to handle the situation in another way. By all means, try to keep yourself away from stress. 【小题5】 You should get away from the situation for a while.

Hello，everyone. It is a great honor for me to speak here. The topic of my speech is the significance of reading.

That's all. Thanks for your attention.