题目

20世纪70年代，中美关系开始正常化的标志是（ ） A . 美国乒乓球队首次访问中国 B . 美国总统尼克松访华 C . 中美两国建立外交关系 D . 邓.小平访问美国 答案：BHealthy eating habit along with regular exercise is the only way to become fit. If you have the correct number of calories and exercise regularly, you will lose weight, keep fit, and feel great, too.During your teenage years, it is important to give your body the energy it needs. If you skip (跳过) meals, you won’t get enough calories, and then you will feel tired. By the way, calorie is just another word for energy. About 50% of your calories should come from rice, bread, vegetables and fruit. You also need to drink a lot of water, 6 to 8 glasses a day. Water helps keep your system clean. Drinking enough water will make your skin better and make you healthy.Exercise is something that can help to make you look good, feel good and be healthy. Experts suggest that teenagers spend at least 30 minutes exercising a day, five times a week. That is easy to do! You can walk or ride your bike to school, and do sports at school. However, teenagers often give up sports, saying they have no time left after their studies. In fact, doing exercise can help them sleep better at night and increase their ability to focus on their study.If you follow the suggestions above, you will look and feel much better and become fit.小题1:What’s the main idea of this passage?A．How to eat food.B．How to keep fit.C．How to lose weight.D．How to exercise.小题2:The underlined word “calories” means ________ in this passage.A．营养B．强壮C．能量D．锻炼小题3:Teenagers should spend at least _______ minutes exercising a week according to this passage.A．5B．50C．30D．150小题4:If you ________, you will become fit.A．exercise regularlyB．drink lots of waterC．have a healthy eating habit along with regular exerciseD．eat rice, bread, vegetables and fruit