单车书桌让你一边学习一边锻炼。How many hours do you sit behind a desk each day? Have you ever worried about... exercise bike in one.Deskcise Pro can be used as both an exercise bike and a desk. You may exercise while ……

and then stop completely. Sit down until your heart rate gets back to normal. Then repeat the cycle... the pause button of the VCR. Sit down and rest for a couple of minutes before you start again ……

Key:Across: 3. teacher 4. exercise 5. playground 6. exam Down: 1. library 2. classroom ……

that could stop deep vein thrombosis (DVT).DVT is a life-threatening condition that occurs after you sit... blood thickens and circulation slows down when you are inactive for long periods of time ……

down to pick it up! Question: What keeps diners safe in chairs at the restaurant?Exercise:翻译下列句子：1.... It’s a sky restaurant in a park in Belgium (比利时). People have to sit on chairs 50 meters above the ground ……

Silent way to keep fitMUSCLES can get exercise even without much movement. And, 21st Century wants to show you some magic, "invisible" ways to exercise. You can use them to shape up, whether you're ……

exercises. Considering that students always sit for a long time to study, the school launched a project to help them get regular exercise in the classroom. Students can do different movements ……

heart slows down again. When you exercise, your heart speeds up.Sit quietly for a few minutes... by four.When you exercise, your heart speeds up.Sit quietly for a few minutes, and your heart slows ……

Teacher: Can you tell me two pronouns (代词), please?Student: Who, me?Teacher: Very good. Sit down, please. ……

body towards your knees. That’s how you do a traditional sit-up, an exercise many of us have been....Earlier this month, an editorial from the Navy Times, a US military publication, said that the sit-up ……

Do you think you get enough exercise? If not, you are not alone. A survey of 18,000 adults in 9 countries found that they spend too much time sitting. They sit for almost one third of the time each ……

for those who wants to exercise more than their eyes when they sit down to a movie. (Liao Meng) ……

. Exercise: Card sit-up Hold 15 cards in your left hand. Lie on your back with your knees bent, feet... knowledge with everyone, whether or not they are likely to walk down a red carpet or star ……

YOU can’t look good unless (除非) you’re healthy. And one way to be healthy is to do exercise. The great thing about exercise for teens is that just about any activity that gets you moving will work ……

exercise” competition. They showed different exercises they designed themselves. Usually, students need to sit for a long time each day. Lack of (缺乏) physical activity can lead to bad health ……