Different exercise types have different purposes and different benefits. One type of exerc

Different exercise types have different purposes and different benefits. One type of exercise may not accomplish all goals of being physically fit: a healthy heart, strong muscles and bones, and safety from injury. As a result, it is important to do enough types of exercise to have all the physical benefits. Here is a quick check sheet.
Aerobic Exercise: To have a strong and healthy heart, you need to do aerobic exercise. This means that you need to exercise yourself enough so that your heart rate, while exercising, is 65 percent to 85 percent of your maximum heart rate. If you don’t get your heart rate up within this level—you just aren’t working hard enough. Whatever you do, your heart rate needs to be 65 percent to 85 percent of your MHR for 20 to 30 minutes, at least 3 times a week. Typical types include:
* Running
* Walking (at least 4 to 4.5 mph)
* Swimming
* Bikingk3s5u
* Elliptical Training (椭圆运动)
* Yoga
Strength Training: To keep your muscles and bones strong, you need to do strength training. This comes in a variety of forms. Whatever you do, however, you need to train your muscles enough so that they are really tired by the end of each session. To see real benefits, make sure you are strength training 2 to 3 times a week for about 30 to 40 minutes. Typical types of strength training include:
* Weight Training
* Yoga
* Resistance Training
* Plyometrics（肌肉增强训练）
Flexibility Training: To keep your body flexible, reducing risk of injuries and pain in your joints and muscles, you need to do flexibility training. You should always aim to stretch every muscle after any exercise routine. Typical types of flexibility training include:
* Stretching
* Yoga
* Pilates（普拉提课程）
So next time you think that yoga 5 times a week will be enough, think about what it is really doing. Is it getting your heart rate up? Are you making up your strength? Are you keeping your muscles flexible?
【小题1】If your purpose is to , you can choose swimming as your exercise form.A．build a strong and healthy heartB．keep muscles and bones strongC．keep body flexibleD．reduce risk of injuries and pain in joints and muscles【小题2】After reading this passage, we know that .A．Yoga is really better for people than runningB．The more exercise you do, the betterC．Flexibility training helps you build up your muscles D．The three kinds of training have links with one another【小题3】Which of the following is closest in meaning to “session” in Paragraph 3?A．meetingB．gatheringC．periodD．term【小题4】The paragraph following this article may discuss .A．how to find a good workout dealing with two or three of these goalsB．how to choose an exercise typeC．how to build up our strengthD．how to be more flexibleA

(答案→)A 解析：文章介绍不同的锻炼类型可以有不同的目的和效果，文章介绍三种不同的锻炼方式，它们的好处和类型。【小题1】细节题：从第二段的句子：Aerobic Exercise: To have a strong and healthy heart, you need to do aerobic exercise. This means that you need to exercise yourself enough so that your heart rate, while exercising, is 65 percent to 85 percent of your maximum heart rate.可知有氧运动可以帮助训练强壮和健康的心脏。而swimming就在其中，选A【小题2】推理题：从每种运动的类型和文章的最后一句话：So next time you think that yoga 5 times a week will be enough, think about what it is really doing. Is it getting your heart rate up? Are you making up your strength? Are you keeping your muscles flexible? 可知瑜伽既是有氧运动，也是肌肉增强训练，还是柔韧训练，可知这三种练习是有联系的，选D【小题3】猜词题：从前面的句子：Whatever you do, however, you need to train your muscles enough可知每种训练的时间要足够长，所以在这个阶段结束的时候会感到累。选 C【小题4】推理题;文章的最后一段说一星期5次瑜伽不能训练到所有这三种运动，所以下文应该是找到一种有效的锻炼方式可以达到两到三种效果。选A

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