七选五练习题
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七选五练习题29.________Scientists and experts have proved the uniqueness of fingerprints and discovered that no exactly similar pattern is passed on from parents to children, though nobody knows why this is the case.The ridge(隆起)structure on a person's fingers does not change with growth and is not affected by surface injuries. Burns, cuts and other damage to the outer part of the skin will be replaced in time by a new one, which bears a reproduction of the original pattern.30.________Some criminals make use of this fact to remove their own fingerprints but this is a dangerous and rare step to take.Fingerprints can be made very easily with the printer's ink. They can be recorded easily.31.________ Because of the simplicity and economy of this system, fingerprints have often been used as a method of solving the criminal case. A suspected man may deny a charge but this may be in vain. 32.________ When a suspect leaves fingerprints behind at the scene of a crime, they are difficult to detect with the naked eye. 33.________ Some of the marks found are incomplete but identification is possible if a print of a quarter of an inch square can be obtained.A.Special techniques are used to “develop” them.B.A fingerprint is an impression of the ridge structure.C.It is only when the inner skin is injured that the arrangement will be destroyed.D.With special methods, identification can be achieved successfully within a short time.E.Some criminals may leave their fingerprints at the scene of a crime.F.His fingerprints can prove who he is even if his appearance has been changed by age or accident.G.Every human being has a unique arrangement of the skin on his fingers and this arrangement is unchangeable.【答案】29.G30.C31.D32.F33.ASome simple keys to transform your lifeThe power of choices.Every one of us makes countless choices every day. Every choice we make has an impact on our lives. 16.________When hunger strikes, we can reach for a healthy, nutritious snack, or we can choose the sugar high of junk food. The more important the decision, the greater its effect. For instance, how do I act towards that person who treated me badly? Do I generally choose to be passive,or do I actively set clear intentions and create what I want in my life? Every choice we make, however big or small, affects us in some way.17.________If you are interested in living a richer, fuller life, there is a foundation upon which you can base all of your decisions which can make life better not only for you, but also for those around you. This foundation is to choose based on what's best for all. Imagine a world where every parent, friend, teacher, business person, and politician truly did their best to choose what's the best for all involved in every decision they made. We would certainly live in a more caring, supportive world.It's the intention.18.________The answer is simple. It doesn't matter. The matter itself is not the choice youmake, but rather the intention behind your choice. The key is that what decision you make. You are clear in your intention of choosing based on what's the best for all. If it later turns out that you seem to have made a bad choice, there's no need for guilt. Knowing that you did your best to choose with a sincere desire for what's the best for all, your conscience stays clear and open.19.________What's the best for me, too?Choosing what's the best does not mean you have to always sacrifice yourself for others. Another example, a very exhausted mother can lose her temper easily and then she may become ill so that she can't support her family without earning any money.20.________ So as we move through each day of our lives, let us learn to care about ourselves as we do our best to choose what's the best for others.A.How do you make choices?B.Discuss them together to choose your project.C.But how do I know what is really the best?D.What is important is that we should pay attention to this presence.E.So it is very important for you to take good care of yourself.F.Even small or unimportant choices can affect what we experience and how we feel.G.This then allows you to improve your decision, and make a right one.【答案】16.F17.A18.C19.G20.EDon't you just love ice skating every winter? I am sure that since winter is approaching, your skates are set to come out, just waiting to be used. Impress your friends with your new tricks on how to ice-skate backwards with the help of these tips.Stand straightThe first thing that you need to do is, stand straight. 26.________,if you feel that you are falling backwards. Don't worry,and this happens to all.Confidence is what you needThe most important step while learning how to skate backwards, is having enough confidence in yourself and in what you are doing. How can you achieve this? By practice. One of the important ice skating tips and techniques is that if you feel that you are losing your balance, then scissor(做剪式运动)your skates. 27.________.Maintain speedTry skating(滑) with one skate while rolling in a straight line with the other. 28.________. Now bring the skate which you are using to scull, and then again, repeat the same process. Make sure that you put most of your weight on the skate which is moving straight and not the one with which you are sculling.Now, try the same thing using the other foot.29.________Once you are confident that you can scull with either foot, the next thing that you have to do is increase your speed. Try some of your own tricks now. Scull with either foot or with both at the same time.Scull and be awareWhile you keep one foot straight, keep sculling with the other. You can do that with both feet at the same time. 30.__________,but don't get so involved that you don't see where you are going. If you are not watching your back, you might just bang against something or someone.A.That is, keep pushing yourself backward with an outward stroke(滑动)B.While going backwards, just get used to the feeling of moving backwardsC.Keep practising this till you are confident about itD.Increase your speed nowE.One must be brave enough to learn to ice-skate backwardsF.Concentrate on what you are doingG.Just put your chin up and slightly bend your knees【答案】26.G27.C28.A29.D30.FAre you a saver or a spender?16.________ This old saying calls attention to the wisdom of saving money. “Putting money away for a rainy day” is another way to talk about saving for the future.People who hate to spend money are known as “tightwads”,while those who like to get the most value for their money are called “thrifty”.17.________ A spendthrift is someone who spends money wastefully. People like that are often said to spend money “like a drunken sailor” o r like “there's no tomorrow”.In the United States, people who want to start a savings account have different choices of where to put their money. 18.________ Credit unions are cooperatives for people who have some kind of connection. For example, the members might work for a university or a government agency. Most credit unions are non-profit organizations.Credit unions, banks and other financial institutions pay interest on savings accounts. But the interest rates are low. Certificates of deposit(存款)pay higher returns. With a certificate of deposit,a person agrees not to withdraw the money for a certain period of time. This term could be anywhere from a few months to several years. 19.________ People can withdraw their money early but they have to pay a penalty(罚金).In a number of countries, people have been saving less over the years. It is reported that in 2000, Americans had a household savings rate of 7%. 20.________ Many European countries have higher rates, but Americans save more than families in Japan.A.People are willing to save money for the future.B.A penny saved is a penny earned.C.Before gold, even kings take off their hats.D.These include banks and credit unions.E.Longer terms and larger amounts pay higher interest.F.A thrifty person is different from a spendthrift.G.This year the rate is expected to be a little more than 4%.【答案】16.B17.F18.D19.E20.GHow to pass an important testWhether it's a first grade science test or College Entrance Exam, all tests have one thing in common: you have to pass. 26.________ Stuck in a situation where you don't know what to do? This article can help.Tips★1. Once you get the study guide, make plans right away to study as soon as possible. No excuses! Killing time with friends isn't worth it,since you can always hang out with them any other day.★2. Get plenty of rest. 27.________ If you walk into the classroom sleepily, you'll most likely not finish the test because you are so tired.★3. Eat a good meal for breakfast. 28.________ Some healthy breakfast suggestions are oatmeal (燕麦片), high fibre food, and grapefruit with the fresh fruit salad.★4. Bring all necessary materials. 29.________ Bring pencils, pens, pencil sharpeners, snacks (if allowed),erasers, the calculator (if allowed) and anything else you'll need for the test.★5. 30.________ Showing up late cuts back the time you'll have to take for the test if it's already testing hours. You'll probably miss any important information needed in completing the test. In some tests,late comers are not allowed to take the test.A.The exam tests vocabulary, reading and maths skills.B.One piece of cheese probably won't last until test time.C.Don't forget to set your alarm clock and show up on the test day on time.D.Studies show that if you get enough sleep, your brain will be much more efficient.E.Showing up without something as simple as a pencil can make a big effect on your test.F.Failing the test won't help you in the long run, so it's important to know how to prepare to pass that big test.G.This test is a challenging one and every year many students are unable to qualify it just because of lack of guidance.【答案】26.F27.D28.B29.E30.CHabits of highly successful studentsNever over-studyWhen you spend too much time studying, you will quickly lose focus and the time spent in studying will become “junk time”.You think you're studying but you're just sitting there rereading the same sentence about 100 times and you're not getting anywhere. Instead, take regular breaks.26.________Besides, it will give your mind some time to take in what you have been doing.27.________Top students don't just randomly(随意地) sit down and complete work. They actually plan what they are going to do: they actually plan the time when they will study and they set goals for what will be achieved. If you want to be successful, do as successful people do. Set a plan, set a goal and stick to it, which will create a routine and a routine is the first step towards developing a habit.28.________Front up to the toughest work firstMany of us like to do the easy things first to build our confidence. That's fair enough. The only challenge with this approach is that you use up your primary energy at the start of any study period. So if you are dealing with the easy parts with your primary energy, your batteries will be low when it comes the time to deal with the hard part. So what happens then? 29.________We all do it. We really shouldn't, though. So develop the habit of giving your primary energy to the hard tasks and completing the easy stuff last.30.________Do we really have to explain this? Just turn them off for an hour. We promise the world will still be there when you log back in! Don't text your friends, don't chat while doing memory activities,don't make phone calls, and just focus on what you're doing. Even if you focus on work for 15 minutes followed by 5 minutes of chatting, it's better than 30 minutes of work while also chatting! You get that right?A.Taking breaks can make you get everywhere.B.You get tired and impatient and just give up.C.Positive habits decide future success.D.Plan your studyE.Taking breaks will make you energetic again and refresh your mind.F.Get off social networking sites and turn off the phoneG.Achieve your goal【答案】26.E27.D28.C29.B30.FAlbert Einstein offered us more than just the amazing theory of relativity and E=mc2. Through his persistence in his discoveries in science, Einstein shined a light on how each of us can do the impossible by working hard, experiencing failure, and valuing people.11.________●Simplify your workIf you can't explain to a six-year-old, you don't understand it yourself.—Albert Einstein The more complicated you have to make something seem, the more you do not understand the inner working of it. 12.________ Did they make even the most complicated topic full of vocabulary that you did not understand or did they make it easier to understand by simplifying?●Live in the presentI ne v er think of the future—it comes soon enough.—Albert Einstein13.________ You can try to get yourself worried about the future and make plans that may not work out according to plans. What matters most is living now, today. Do your best right now and do not worry about tomorrow.●Work towards the impossibleOnly those w ho attempt the absurd can achie v e the impossible.—Albert EinsteinIf it seems ridiculous to others and you are willing to take the risk, then you are able to achieve the impossible. 14.________ You complete what was once an obstacle.●Value peopleLife isn't w orth li v ing, unless it is li v ed for someone else.—Albert EinsteinIf you put people first, they will value you and consider you a person who genuinely cares about others. 15.________ Show them that you value them. Thank them and send complimentstheir way. It will not only make their day better, but they will appreciate it and remember what you have done for them.A.Spend at least a few minutes out of your busy day talking with people without any distraction.B.Scientists in different fields are interested in the unique theory of relativity.C.When you go beyond what others think is reasonable, an amazing thing starts to happen.D.Think differently, and you may find your answer.E.Even if you are not a scientist, you can apply these life lessons to your own life.F.You are only guaranteed the moment that you have right now, at this moment.G.Think about the best teachers that you have had in your life.【答案】11.E12.G13.F14.C15.ALife comes in a package. This package includes happiness and sorrow, failure and success, hope and despair. Life is a learning process. Experiences in life teach us new lessons and make us better.LoveLove plays a key role in our life. Love makes you feel wanted. Without love, a person could become cruel and violent. In the early stage of our life, our parents are the ones who shower us with unconditional love and care. They tell us what is right or wrong, good or bad. 11.________. It is only after marriage and having kids that a person understands and becomes sensitive to the feelings of others. Kids make a person responsible and mature and help us to understand life better.Happiness and sorrowMaterialistic happiness is short-lived, but happiness achieved by bringing a smile to others gives a certain level of fulfilment. 12.________. No mind is happy without peace. We realize the true worth of happiness when we are in sorrow. Sorrow is basically due to death of a loved one, failure and despair. But these things are temporary and pass away.Failure and success13.________. It helps us to touch the sky, teaches us to survive and shows us a specific way.Hope and despairHope is what keeps life going. Parents always hope their children will do well. Hope makes us dream. Hope builds in patience.14.________,because after every night there is a day. Nothing remains the same. We have only one choice—keep moving on in life and be hopeful.Life teaches us not to regret over yesterday, for it has passed and is beyond our control. Tomorrow is unknown, for it could be either right or dull.15.________,so that we will enjoy a better tomorrow.A.Life teaches us not to despair even in the darkest hourB.So the only alternative is working hard todayC.But we always tend to take this for grantedD.Success lies in trusting yourselfE.So let's enjoy every dayF.Failure is the path to successG.Peace of mind is the main link to happiness【答案】11.C12.G13.F14.A15.BWe've all been hurt by another person at one time or another. This pain causes problems. It not only causes us to be unhappy, but can ruin relationships, distract(使分心) us from work and family and other important things, and make us unwilling to open up to new things and people. We need to learn to let go. 11.________Forgiveness does not mean you erase the past, or forget what has happened. All it means is that you are letting go of the anger and the pain, and moving on to a better place. It's not easy, but you can learn to do it.12.________ Think of all the problems this pain causes you,and realize you need to change. Then think of the benefits of forgiveness—how it will make you happier, free you from the past and the pain, and improve things with your relationships and life in general.Try to put yourself in that person's shoes. Try to understand why the person did what he did. What could he have felt as he did it, and what did he feel afterwards? 13.________ You aren't saying what he did is right, but are instead trying to understand.Understand your responsibility. 14.________ This isn't to say you're taking all the blame, or taking responsibility away from the other person, but to realize that we are not victims but participants in life.15.________ As you focus on the present, try focusing on your breathing. Imagine each breath going out is the pain and the past, and imagine each breath coming in is peace, entering you and filling you up.A.How does he feel now?B.Of course,we can push it aside.C.Allow peace to enter your life.D.Think about the advantages and disadvantages.E.We need to be able to forgive,so we can move on and be happy.F.And,thus,the deeper the relationship,the deeper it hurts when others wound us.G.Try to figure out how you could have been partly responsible for what happened.【答案】11.E12.D13.A14.G15.C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。