3 you might represent each letter with a number,for example . let ' s number the letters of the alphabet,in order,From 1 to 26。if we substitute a number for each letter,the message " meet me " would read " 13 5 20 13 5 . "
p>A code uses symbols to replace words, phrases, or sentences. To read the message of a real code, you must have a code book. 4 For example, "bridge" might stand for "meet" and "out" might stand for
"me." The message "Bridge out" would actually mean "Meet me." 5 However, it is also hard to keep a code book secret for long. So codes must be changed frequently.
A. It is very hard to break a code without the code book.
B. In any language, some letters are used more than others.
C. Only people who know the keyword can read the message.
D. As long as there have been codes, people have tried to break them.
E. You can hide a message by having the first letters of each word spell it out.
F. With a code book, you might write down words that would stand for other words.
G. Another way to hide a message is to use symbols to stand for specific letters of the alphabet.
●参考答案●
【语篇解读】本文是一篇说明文,主要介绍了密码的设置和破解的方法。比如利用该字母在字母表中排序的数字来代表该字母,或者利用一些单词的首字母来组成一个密码等。
1.D 【解题思路】根据后面一句"Code breaking never lags(落后) far behind code making"可知,此空该选D(只要有密码的存在,人们就会试图去破解它们)。
2.E 【解题思路】根据后一句的"For example, the first letters of ‘My elephant eats too many eels’ spell out the hidden message ‘Meet me.’"可知,此空该选E(你可以拼写每个单词的第一个字母来隐藏信息)。
3.G 【解题思路】上一段介绍了第一种密码类型,本段介绍的是第二种类型,再根据空后的内容可知,空处选G(另外一种隐藏信息的方式是用符号来代表字母表中的特定字母)。
4.F 【解题思路】由前一句的"a code book"和空后的"’bridge’might stand for…’me.’"可知,此空该选F(有了密码书,你就可以写下代表其他单词的单词)。
5.A 【解题思路】本段介绍的是密码书,根据空后的转折可知,此处该选A(没有密码书是很难破解密码的)。
【名校预测】
(2017届山西大学附中高三模考)
4 Key Strategies for Running to Lose Weight
As one of the most active exercises out there, running is an extremely efficient way to burn calories and lose weight. A 150-pound person will burn approximately 100 calories per mile when running. 1
1. Healthy Eating is the First Step
If you want to lose weight by running, keep in mind that you’ll only lose pounds if you burn more calories than you consume. To lose a pound, you have to burn, through exercise or life functions, about 3500 calories. 2 Runners do have special nutrition needs, but the basic principles for healthy eating still apply. Try choosing smaller portions of high-fat and high-calorie foods and eating more whole grains, fruits, and vegetables.
2. Follow a training schedule
Sticking to a training schedule is a simple way to stay motivated to run. 3 So it’s much harder to postpone or skip workouts. Following a schedule can also help you avoid a running injury by not increasing your mileage too quickly.
3. Run regularly
If you don’t want to follow a schedule, you still need to have some consistency with your running because you won’t lose weight by running once a week. It’s best to get some activity every day. 4 If you find that your motivation to run is suffering, follow some necessary tips to get inspired.
4.5
Incorporating speed work or interval training (running at a very fast speed for short intervals of time) into your running routine can also help your weight loss efforts. Speed work burns a great amount of calories in a short period of time. You’ll also increase your muscle mass, causing you to burn more calories throughout the day.
A. Keep it challenging
B. Eat for Performance
C. You’ll know exactly what you need to do every day and each run builds on the next.
D. So you’ll need to combine running with a healthy diet.
E. If you’re hoping to use running to lose weight, here’s some advice on how to be successful.
F. Here are ways to improve your running motivation.
G. But if that’s not possible, try to shoot for at least 3-4 times per week.
●参考答案●
【语篇解读】跑步是很好的减肥的方法,但是怎样才是正确的跑步方法,文章给出一些建议。
1.E 【解析】根据上文"A 150-pound person will burn approximately 100 calories per mile when running."150磅的人跑步的时候大约燃烧100卡路里。可知这里是:如果你想通过跑步减肥,这里有些关于怎么成功的建议。故选E。
2.D 【解析】根据下文"Runners do have special nutrition needs, but the basic principles for healthy eating still apply."可知这里是:你需要将跑步和健康饮食结合起来。故选D。
3.C 【解析】根据上文"Sticking to a training schedule is a simple way to stay motivated to run."可知这里是:你将知道你每天要做什么,每次跑步给下一次奠定基础。故选C。
4.G 【解析】根据上文"It’s best to get some activity every day."可知这里是:如果那样不可能,每周至少锻炼三四次。故选G。
5.A 【解析】根据下文"Incorporating speed work or interval training"可知这里是:要保持有一定 挑战。故选A。
【终极预测】
根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。
A
Forgiveness
To forgive is a virtue, but no one has ever said it is easy. When someone has deeply hurt you, it can be extremely difficult to let go of your hate. However, forgiveness is possible, and it can be surprisingly beneficial to your physical and mental health. People who forgive show less sadness, anger and stress and more hopefulness, according to a recent research.
____36____ Try the following steps:
Calm yourself. ____37____ You can take a couple of breaths and think of something that gives you pleasure: a beautiful scene in nature, or someone you love.
Don’t wait for an apology. Many times the person who hurt you does not intend to apologize. They may have wanted to hurt you or they just don’t see things the same way. ____38____ Keep in mind that forgiveness does not necessarily mean becoming friends again with the person who upset you.
Take the control away from your offender(冒犯者). Rethinking about your hurt gives power to the person who causes you pain. Instead of focusing on your mounded(半埋没的) feelings, learn to look for the love, beauty and kindness around you.
____39____ If you understand your offender, you may realize that he or she was acting out of unawareness, fear, and even love. You may want to write a letter to yourself from your offender’s point of view.
Don’t forget to forgive yourself. ____40____ But it can rob you of your self-confidence if you don’t do it.
A. Why should you forgive?
B. How should you start to forgive?
C. Recognize the benefits of forgiveness.
D. Try to see things from you offender’s angle.
E. For some people, forgiving themselves is the biggest challenge.
F. To make your anger die away, try a simple stress management technique.
G. If you wait for people to apologize, you could be waiting an awfully long time.
B
Life getting you down? Learn to bounce back
"That which does not kill us makes us stronger." Nietzsche said. There are a number of ways that can get us through tough times, help us to bounce back and make us happier. ____36____
Find something you can control.
____37____ But taking small, positive steps in any area of our life can have a ripple effect, enabling us to move forward in the problem area.
____38____
As a species, we tend to focus on what’s wrong rather than what’s right. But we can benefit a lot from paying attention to what’s going right. Psychologists have shown consciously focusing on these good things helps to increase our experience of positive emotions.
Check your thinking.
____39____ Leading psychologist Martin Seligman found that the way we interpret the causes of everyday setbacks can have a significant impact on our ability to cope and our physical health. He also showed we can learn more resilient(有弹性的) thinking styles.
Distract yourself.
When we are immersed in a problem, it is hard to think creatively about ways to deal with it. It often helps to take time out from the things you are worrying about. ____40____ Not only does this give us a break from what we’re doing and our worries, it’s also great for our minds.
A. Always do something that is right.
B. It’s true that there are lots of things we can’t control.
C. An effective way of taking time out is exercise.
D. Next time you are feeling stressed or stuck, give them a try.
E. Focus on what’s right.
F. Next time something goes wrong for you, pause for a moment.
G. The way we think can destroy our own resilience.
●参考答案●
A
【文章大意】本文是一篇说明文,主要介绍人们宽恕别人的方法和途径。
36.B 根据前面的"People who forgive show less sadness, anger and stress and more hopefulness, according to a recent research."和后面的"Try the following steps:"可知此处应该是"如何原谅别人",故选B。
37.F 空前说要冷静,空后说了主动使自己冷静下来的方法,那么此处应该是说要让自己的怒气消失,应该试试一些方法,故选F。
38.G 根据空前的内容可知不要等别人来向你道歉,伤害你的人通常是不会道歉的,而且他们可能就是想伤害你,或者他们看问题的方式与你不同,后面又说原谅并不意味着你要和伤害过你的人重新成为朋友,只有G项能将前后内容联系到一起。
39.D 根据"If you understand your offender, you may realize that he or she was acting out of unawareness, fear, and even love."可知此处应该是尝试从冒犯者的角度去看待问题,故选D。
40.E 根据空前的"Don’t forget to forgive yourself."可知对一些人来说,原谅自己是最大的挑战,选E。
B
【文章大意】有时候生活中的诸多因素会给人们带来压力,让人心情沮丧。但是在困难的时候有很多方法可以帮助我们恢复原有的精神,让我们更加快乐。
36.D上文提到了有很多方法可以帮助我们度过困难,帮我们恢复弹性,让我们更加快乐,而下文则是对这些方法的介绍,D选项的内容可以起到承上启下的作用,故选D。
37.B 本段标题是建议人们找一些自己可以控制的事情做,从中获得信心,再根据后句的转折可知B选符合语境,故选B。
38.E 根据本段中的focus on,pay attention to等关键信息,尤其是第一句话可以判断选E。而A选项的侧重点是让人们去做正确的事情,作为本段的小标题不合适。
39.G 根据段落小标题和下文内容可知本段讨论的是思维方式对人的影响,故选G。
40.C 前句内容是建议人们要学会从忧虑中走出来,后句提到这样做的好处,由此判断C选项符合语境,故选C。
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