发布时间 : 星期二 文章2017-2018学年高中英语必修五练习：Unit 1 课时跟踪练一 含解析 精品更新完毕开始阅读08fbb54b88eb172ded630b1c59eef8c75ebf950f
解析：选D 细节理解题。由第二段最后一句可知，这个游戏的风靡程度超过了Vine和Twitter。
11．Which of the following may Michael Matias agree with?
A．It's impossible for Ben to run an iPhone app. B．Young people in high school are more creative. C．Hack Generation Y should accept more people. D．Ben Pasternak has a special talent for designing apps.
解析：选D 推理判断题。由第五段可知，Michael Matias很难想象15岁的Ben Pasternak 能够设计出这样的手机游戏，因此他对Ben Pasternak的能力是非常惊讶和赞赏的。 12．It can be inferred from the text that Ben ________.
A．creates apps mainly for making more money B．is excited when seeing people using his creation C．wants Facebook and Google to be one company D．always creates games for the iPhone alone
解析：选B 推理判断题。第六段最后一句提到Ben看到别人用自己的发明的时候感到非常高兴。 Ⅱ.阅读七选五
How teens can stay fit
Any type of regular, physical activity can improve your fitness and your health. 1 Exercise should be a regular part of your day, like brushing your teeth, eating and sleeping. It can be in gym class, joining a sports team, or working out on your own. Keep the following tips in mind：
2 A good attitude is important. Find an activity that you think is fun. You are more likely to stick with it if you choose something you like. A lot of people find it's more fun to exercise with someone else, so see if you can find a friend or family member to be active with you.
Take it one step at a time. 3 For example, walk or ride your bike to school. Get on or off the bus several blocks away and walk the rest of the way. Use the stairs instead of taking the elevator.
Get your heart pumping (跳动). Whatever you choose, make sure it includes aerobic (有氧的) activity that makes you breathe harder and increases your heart rate. This is the best
type of exercise because it increases your fitness level and makes your heart work better. 4 Examples of aerobic activities are basketball, running, or swimming.
Don't forget to warm up. With some easy exercises or stretching (拉伸) before you do any physical activity. 5 It is also important to stretch out after you exercise to cool down your muscles.
A．It also burns off body fat. B．Stay positive and have fun. C．Make physical activity a habit.
D．Small changes can add up to better fitness. E．The most important thing is that you keep moving!
F．This warms your muscles up and may help protect against injury. G．Do the activity as often as possible, but don't exercise to the point of pain.
语篇解读：本文是一篇说明文。文章向青少年介绍了几条如何保持身体健康的建议。 1．选E 由下文关于运动方面的几条建议可知，作者认为保持身体健康最好的办法是运动。E项中的keep moving指代下文的Exercise。
2．选B B项中的Stay positive和have fun分别与下文的A good attitude和activity that
you think is fun相呼应。
3．选D 根据本段小标题Take it one step at a time可知，循序渐进，小小的改变也能使身体更健康，故选D项。
4．选A 有氧运动可提高健康水平、使心脏更好地工作，也可起到减肥的作用，故选A项。
5．选F 根据下文的stretch out after you exercise to cool down your muscles可知，运动前先进行热身是为了保护身体避免受伤，故选F项。
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