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34. It can be inferred that ___________.A. people think little of the two university students’ deathB. the ice on the lake wasn’t strong enough to skate onC. some students regretted for what they had doneD. heroes don’t agree with what the students do author wrote the passage to _________.A. warn people of the danger of skating on iceB. ask people to learn from the brave university studentsC. tell us a tragedyD. advise university students to cherish (珍惜) their livesCThe key to reaching or staying at a healthy weight is regular exercise and good eating habits. Teens should get 60 minutes or more of physical activity a day. Note the word “activity”. As long as you’re getting your body moving, it doesn’t have to mean doing plicated exercises or going to the gym (體育館) every day. All that matters is that each week you get the right balance of activity, including aerobic (有氧健身法的) strength building, and flexibility (柔韌性) exercise. Make exercise a habit by scheduling some every day.On days when you have soccer practice or an aerobics class, you may have no trouble exercising for an hour or more. But most of us are busy, and 60 minutes a day of activity seems like a lot of time. The good news is that it’s OK to divide it into shorter “exercise breaks” throughout the day. Just as you might have a healthy snack to stop yourself getting hungry, exercise snacks can keep energy level high. So get up 15 minutes earlier and do some yoga or other stretching (伸展) activity. Fast walk or jog (慢跑) for 15 minutes at lunch. Do the same thing after school or walk or bike home. Add to that taking the stairs, gym class, and walking between classes during the day, and you’ve probably reached your 60 minutes.Here are 5 simple ways to make an exercise lifestyle change:1. Start today. Go outside for a walk.2. Take the stairs instead of the elevator.3. Instead of driving, walk or bike to places like school or a friend’s house.4. Clean your room or wash the car.5. Limit your time watching TV, using the puter, or playing video gamesand when you do play, try some games that get you moving.36. The underlined phrase “exercise snacks” in the second paragraph probably means ________.A. food eaten before exerciseB. food eaten during exerciseC. shorter “exercise breaks”D. a new kind of exercise37. Why should we have exercise snacks every day?A .Because they can stop us getting hungryB. Because they can keep energy level highC. Because they can include many kinds of sportsD. Because they are more likely to relate to our daily life38. Which of the following is NOT mentioned in the passage?A. To go hiking on your holidaysB. To spend less time on puter gamesC. To go to school on foot or by bikeD. To do some housework at home39. What will be most probably discussed in the following paragraph?A. Losing weight B. Good eating habits C. Exercising your brain D. Outdoors exercise40. What would be the best title for this passage?A. Regular exercise B. School exercise C. Indoors exercise D. Difficult exercisesDIt was a winter morning,just a couple of weeks before Christmas of 2005. While most people were warming up their cars,Trevor,my husband,had to get up early to ride his bike four kilometers away from home to work. On arrival,he parked his bike outside the back door as he usually does. After putting in 10 hours of labor, he returned to find his bike gone.The bike,a black Kona 18 Speed,was our only transport. Trevor used it to get to work,putting in 60hour weeks to support his young family. And the bike was also used to get foods, saving us from having to walk along long distances from where we live.I was so sad that someone would steal o