Nuclear power’s danger to health, safety, and even life itself can be summed up in one word: radiation.
Nuclear radiation has a certain mystery about it, partly because it cannot be detected by human senses. It can’t be seen or heard, or touched or tasted, even though it may be all around us. There are other things like that. For example, radio waves are all around us but we can’t detect them, sense them, without a radio receiver. Similarly, we can’t sense radioactivity without a radiation detector. But unlike common radio waves, nuclear radiation is not harmless to human beings and other living things.
At very high levels, radiation can kill an animal or human being immediately by killing masses of cells in vital organs. But even the lowest levels can do serious damage. There is no levels of radiation that is completely safe. If the radiation does not hit anything important, the damage may not be serious. This is the case when only a few cells are hit, and if they are killed immediately, your body will replace the dead cells with healthy ones. But if the few cells are only damaged, and if they reproduce themselves, you may be in trouble. They can grow into cancer. Sometimes this does not show up for many years.
This is another reason for some of the mystery about nuclear radiation. Serious damage can be done without the victim being aware at the time that damage has occurred. A person can be irradiated(辐射)and feel fine, then die for cancer five, ten, or twenty years later as a result. Or a child can be born weak as a result of radiation absorbed by its grandparents.
Radiation can hurt us. We must know the truth.
【小题1】What is the main idea of the passage?
A.How to detect nuclear radiation. |
B.How radiation kill a man. |
C.The mystery about nuclear radiation. |
D.Serious damage caused by nuclear radiation. |
A.Nuclear radiation can cause cancer to human beings. |
B.Nuclear radiation can be safe to human beings if its level is low. |
C.Nuclear radiation can be detected by human senses. |
D.Nuclear radiation is just like common radio waves. |
A.The hurt cells can stay in the body many years and then grow into cancer. |
B.It can do harm to a person while the victim isn't aware the damage has occurred. |
C.Nuclear radiation can kill a person very easily. |
D.Radiation can seldom kill a person immediately. |
A.die of cancer after many years | B.die immediately |
C.have a child who may be born weak | D.all of the above |
【小题1】C
【小题2】A
【小题3】C
【小题4】D
解析试题分析:文章介绍核辐射对人类和动物的危害,如果辐射较弱,可能会危害健康,有的影响不是明显的,但是人们可能多年后会死于癌症,或会对后代产生影响,如果核辐射量大,对导致死亡。
【小题1】主旨题:纵观全文和第二段的句子:Nuclear radiation has a certain mystery about it, partly because it cannot be detected by human senses.以及第三段的句子: This is another reason for some of the mystery about nuclear radiation.可知这篇文章讲的是核辐射的迷。所以选C。
【小题2】细节题:从第三段的句子:But if the few cells are only damaged, and if they reproduce themselves, you may be in trouble. They can grow into cancer. Sometimes this does not show up for many years.可知核辐射会导致人类的癌症,选A。B项是如果核辐射的量比较低,对人是安全的,这和第三段的句子:But even the lowest levels can do serious damage.是矛盾的,C项的意思是核辐射能够被人感觉到,这个和第二段的:Nuclear radiation has a certain mystery about it, partly because it cannot be detected by human senses.是不符的,D项的意思是核辐射就像普通的无线电报,这和第二段的句子:But unlike common radio waves, nuclear radiation is not harmless to human beings and other living things. 是矛盾的。
【小题3】细节题:题目问:哪个不是核辐射成为迷的原因:根据最后一段A person can be irradiated(辐射)and feel fine, then die for cancer five, ten, or twenty years later as a result.可知A是一个原因,Serious damage can be done without the victim being aware at the time that damage has occurred.可知B是原因,. 从第三段的句子:If the radiation does not hit anything important, the damage may not be serious.可知核辐射不会立刻将人杀死。C项于这个说法正好相反,所以选C。
【小题4】细节题:从第一段Nuclear power’s danger to health, safety, and even life itself can be summed up in one word: radiation.可知核辐射可以致人死亡,最后一段A person can be irradiated(辐射)and feel fine, then die for cancer five, ten, or twenty years later as a result.可知A是一个原因,核辐射可以让人多年后死于癌症,也会生出虚弱的孩子,所以ABC三项都提到了,选D。
考点:考查健康类短文
科目:高中英语 来源: 题型:阅读理解
Interested In Childcare? Qualified person or preschool teacher needed for busy childcare center, south of the river. Full-time work guaranteed. Immediate(马上的) start necessary. The candidate(候选人) must be able to work as a co-operative team member. Phone 6345 2345 for an interview and fax resume to 6345 2345. |
We Need Office Cleaners! Three people are required for professional cleaning in the CBD area. Working hours from 5: 00 pm on Mondays, Wednesdays & Fridays for each one. Approximately five hours per shift(轮班). A good record is necessary. Experience preferred. Phone 6345 7843 now. |
Want To Work As A Dental Nurse? This is an exciting opportunity for a qualified dental nurse with a confident and cheerful personality to work in the School Dental Health Scheme. You must be able to get along well with children because work involves talking to groups about dental health practices. For further information, visit our website at schooldentalservices @ gov.sg. And fax your resume to 6234 4567. |
Florist Wanted! Are you a creative and trained florist with at least two years of experience? Then this may be just what you are seeking. The city’s leading Florist Artist Studio needs another part-time member on their wedding team. Please phone 6098 7888 now! |
A.in a store window | B.in a school magazine |
C.in a newspaper | D.on a company notice-board |
A.florist | B.artist |
C.preschool teacher | D.dental nurse |
A.Cooking skills |
B.The ability to work well with other people. |
C.Childcare experience |
D.The ability to start work in two weeks |
A.5 | B.10 | C.15 | D.45 |
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科目:高中英语 来源: 题型:阅读理解
Online Money Earning
Yes you can earn money online without any investment or without anytime limit. I have many useful easy methods for earning easy money while we all spend our useful time on the Internet by surfing, chatting, downloading and other work. There is no need to stop any other work. We can earn with or without our daily routine. Here I tell you the complete method for online earning.
First Method
Earn money with “Bux. to”. You can earn money through “Bux.to” by clicking on ads on “Bux. to” site. First you need to open an account at “Bux. to”.
“Bux. To” is a new international and FREE English based service that allows advertisers to reach thousands of potential customers by displaying their ads on our “Surf Ads” page. An exact calculated percentage of all advertising income is paid to our members. “Bux. to” makes money through advertising.
How you make money
You view websites in 30 seconds through the “Surf Ads” page. Once the 30 seconds is up, you’ll either get a green tick(对号) sign or a red “x”. The green tick sign means you’ve earned $0.01and the “x” means you have not earned money for the visit. You’ll get red x’s when you have more than one websites from the “Surf Ads” page open. When this happens, you get no credit.
Earnings example
You click 10 ads per day =$0.10
20 referrals(转送) click 10 ads per day =$2.00
Your daily earnings =$2.10
Your weekly earnings =$14.70
Your monthly earnings =$63.00
How to get paid
If you have at least $10.00 accumulated, you can click on your account balance within your states area and it will meet your request. At present, it only makes payments through “AlertPay”. It will soon be using other methods of payment.
AlertPay is the payment processing solution that we use to pay members. Your AlertPay address is the e-mail address you use to register with AlertPay. You can get a free AlertPay account at http:// alertpay. com.
Method 2 will publish soon…
【小题1】 What is the author’s purpose of writing this passage?
A.To tell an interesting story. |
B.To introduce a surprising way to earn money. |
C.To solve a puzzling problem. |
D.To present an exciting research. |
A.chatting online | B.advertising some products |
C.clicking on advertisement | D.choosing green ticks or x’s |
A.wasted | B.spent | C.lost | D.gathered |
A.You’ll earn $0.10 if you click 1 ad. |
B.You’ll get many green ticks if you have many websites open. |
C.You can get your payments through AlertPay. |
D.Your AlertPay account is not for free. |
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科目:高中英语 来源: 题型:阅读理解
Comera is the only place in the world which has a whistle(口哨)language. We do not know how and why it began because we do not know the complete history of the island. But we can certainly imagine the reasons for the beginning of the whistle language. There are many deep valleys on the island. A person on one side of valley cannot easily shout to a person on the other side. But he can whistle and be heard from four miles away, and the record is seven miles. The people who live on the island usually have good teeth, and this helps them to whistle well. They must also have good ears so that they can hear other whistlers.
We can understand why the whistle language continues. It is very useful on the island, and quite easy to learn. When somebody is hurt or ill, the whistle language takes the place of the telephone. If the sick person is a long way from the town, boys and men pass the news from one to another. A boy guarding cattle on a hillside whistles to a man fishing from his boat. The last one is able to describe the trouble fully and exactly to the doctor in town. People help each other in the same way when a car breaks or a cow is lost.
The whistle language is hundreds of years old, and probably it will continue to live for hundreds of years more. Radio and TV often kill the special ways of speaking in the different parts of a country. But on Comera island you are nobody if you cannot whistle. Perhaps soon after TV arrives on the island, the people there will be whistling the news and other facts and opinions.
【小题1】If a person on Comera island is ill, .
A.others will phone the doctor in town |
B.the whistle language will pass the news to the doctor |
C.his family will take him to the doctor |
D.people will take him to the hospital |
A.killed the special ways of speaking |
B.whistled all the news and opinions |
C.helped Comera people to communicate |
D.did not appear on Comera island yet |
A.it attracts visitors every year |
B.no visitors have ever been there |
C.people there have special ears to hear whistles |
D.people there use the whistle language to communicate with each other |
A.It is not easy for a person to live on Comera island if he cannot whistle. |
B.The whistle language can only be found on Comera island. |
C.The whistle language has been used for hundreds of years on the island, but will not be used any longer. |
D.The record shows that one best whistler can be heard by others seven miles away. |
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科目:高中英语 来源: 题型:阅读理解
Last summer, when Amanda R of Anaheim Hills, California, was running on a cross-country course with her team, she blacked out. “I got really dizzy,” she says. “I was out for a few minutes.” At first, Amanda thought she was just tired and didn’t think she had a health problem. She did go to the emergency room, where she was fine after tests, but she fainted (昏厥) again several days later as she was talking with her coach. Another doctor guessed that Amanda had blacked out “because we were in heat so much with not enough water and not enough of the right kind of foods”.
Teens often don’t want to stop and take a break or don’t notice when they start to feel bad, doctors say. However, paying attention if you’re not feeling well is important, as Amanda learned.
As a result, Amanda has changed her habits. “I drink a lot more water,” she says. “And put more salt in my diet. I’m eating more balanced meals.” Amanda advises teen athletes to trust their coaches and speak up when they’re not feeling well. “And recognize the difference between when you’re tired and when there’s something really wrong.”
Some people - up to 3 percent of the population - sweat too much, even in cold weather. The condition, called hyperhidrosis (多汗), can affect many parts and it often runs in families - hands down from generation to generation. Too much sweating over the whole body could be a symptom of another medical condition. Doctors aren’t sure what causes hyperhidrosis, but using special medications or other treatments can help.
【小题1】What caused the happening mentioned in the passage during Amanda’s running?
A.She couldn’t breathe in enough air in the race. |
B.She didn’t eat anything before the race. |
C.She had been running all summer without a rest. |
D.She neither drank enough water nor ate enough of the right kind of foods. |
A.There is no need to worry when sweating too much, even in cold weather. |
B.Hyperhidrosis may have a bad effect on your health. |
C.Doctors have discovered why people get hyperhidrosis. |
D.Hyperhidrosis is a serious disease and no treatment can help. |
A.tell teens the proper ways to take exercise in summer. |
B.tell teens not to run in hot summer. |
C.tell teens to pay attention to hyperhidrosis in the summer exercise |
D.tell teens how to keep healthy. |
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科目:高中英语 来源: 题型:阅读理解
Car crashes are the top killer of American teenagers.Most of the crashes result from distracted driving not paying attention to the road.
Ryan Didone was a fifteen-year-old passenger in a car that hit a tree.He was one of the nation's more than thirty thousand victims of traffic crashes in 2008.Nearly four thousand deaths, about twelve percent, involved drivers aged fifteen to twenty.Ryan's father, Thomas Didone, is a police captain in Montgomery County, Maryland.He said, "It was an inexperienced, immature driver who felt that he was invincible(不可战胜的), driving at night with a carload of kids.He was distracted, he was going too fast, and it ended up causing one death and some upsetting experiences and tragedy for the rest of the community."
Jim Jennings from the Allstate Insurance Company said "The number one cause of distracted-driving accidents is the mobile phone.Talking on the phone or reaching for it is like drinking four beers and driving.If you're texting while driving, you are twenty-three times more likely to get into an accident than somebody who isn't.
Reaching for a cell phone when it's going off, you're nine times more likely to get into an accident than normally driving," The insurance industry recently held a safety event near Washington for teen drivers.
At first, nineteen-year-old Kevin Schumann easily avoided large, inflatable dolls thrown in front of the car to represent children.He also avoided orange cones representing the edge of the road.Then, as part of the test, he started texting. He hit several cones and at least one doll.
Debbie Pickford from the Allstate Insurance Company said, "Teens are especially at risk from distracted driving—and not just because they lack experience on the roads.What we know from research on teen brain development, is that teens don't really have fully developed brains until they are twenty-five years old. You put those two things together and you get a much, much higher risk.”
【小题1】According to the passage, _____is the most likely to lead to a traffic accident while you are driving.
A.texting on the mobile phone | B.reaching for a cell phone. |
C.talking on the mobile phone | D.bringing along a cell phone |
A.attract more teenagers to take part in it |
B.draw enough attention to teenagers' distracted driving |
C.make more teenagers practice avoiding large barriers |
D.encourage more teenagers to pay for insurance protection |
A.much higher risk | B.teen brain developmen |
C.experience on the roads | D.measures to be taken t |
A.Car Crashes —the Top Killer. |
B.Distracted Driving —Let's Avoid! |
C.Drunken Driving — Dangerous Enough! |
D.Tips on Driving While Calling |
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科目:高中英语 来源: 题型:阅读理解
Going on holiday not only makes you feel good while you’re there, you also gain the health benefits for months, new research shows.
Jetting off to destinations such as the Maldives cuts your blood pressure, helps you sleep better and bounce back from stress, it found.The benefits last at least a fortnight longer than the vacation and can be felt for months in some cases where it is claimed.Experts say workers should always take their full holiday entitlement(权利)each year, but as many as one in three don’t.
The study compared key health markers in holidaymakers visiting Thailand, Peru or the Maldives, with people who stayed at home and continued working.The average blood pressure of those on holiday dropped by six percent while the workers saw their blood pressure rise by two percent over the same period.The sleep quality of holidaymakers improved by 17 percent while that of the non-holidaymakers deteriorated by 14 percent.
The study also found the ability of vacationers to recover from stress, known as the stress-resilience test improved by 29 percent.There was a 71 percent fall in stress resilience scores among workers.Tests showed a fall in blood glucose levels, reducing the risk of diabetes (糖尿病), trimmer waistlines and improved mood and energy levels, with the effects sustained for at least two weeks after returning home.
The Holiday Health Experiment was conducted by tour operator Kuoni and Nuffield Health, the UK’s largest healthcare charity.
【小题1】According to the passage, how many people go on holiday?
A.Two thirds. | B.One third. |
C.17 percent. | D.A quarter. |
A.The further you go, the better you get the benefits. |
B.Most people like to stay at home during the holiday. |
C.The result of the study is mostly based on the description from the people involved. |
D.Holiday makers are more adaptable than non-holidaymakers. |
A.we have to go on holiday as much as possible |
B.you’ll certainly get depressed if you don’t go on holiday |
C.we had better go on holiday for the benefits of health |
D.it is best to go to foreign countries like Maldives |
A.A Holiday Health Experiment |
B.Health Benefits from Holiday |
C.Health Problems of Having Holiday |
D.Key Health Markers in Holidaymakers |
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科目:高中英语 来源: 题型:阅读理解
Eco City Farms(生态城市农场) are becoming more popular in cities and towns around the Unites States.
Eco City Farms in Edmonton, Maryland, is located near shopping centers, car repair shops and homes. The neighborhood is a working-class community(社区). People do not have very much money. And they have limited access to fresh food in markets.
Over the past two years, the farm has attracted volunteers from the community like Marcy Clark. She schools her four children at home. On a recent day she brought them to Eco City Farms for a lesson. Her son Alston Clark thinks his experience is very valuable.“I like coming out here,”he says,“You know, you connect with the earth, where your food comes from. You appreciate the food a little bit more.”
Margaret Morgan started Eco City Farms. She thinks of it as a place where people can learn to live healthier lives. “Growing food in a community brings people together,”she continues,“Every piece of what we do here is a demonstration(示范) to show people everything about how to have an eco-friendly community.”she says. From the Eco City Farms people come to know that they are not only growing food and raising chickens and bees, but improving the soil with compost(肥料)made from food waste.
Eco City Farms is an experimental operation. The farm gets its power not from the local electricity networks, but from the sun with solar panels. In winter, the green house use a geothermal(地热)system.
Vegetables can be grown all year. So once a week, all winter long, neighbors like Chris Moss and her three children bike to the farm to pick up a share of the harvest.
“I like eating the vegetables ”say five-year-old Owen Moss.
【小题1】What is mainly talked about in the passage?
A.Eco City Farms save a lot of energy. |
B.Eco City Farms are gaining popularity. |
C.Eco City Farms are influencing community life. |
D.Eco City Farms helps the working-class live better. |
A.shopping centers | B.car repair shops |
C.fast-food restaurants | D.working-class community |
A.Enthusiastic(热心的). | B.Disappointed. |
C.Surprised. | D.Doubtful. |
A.People. | B.Travel. | C.Environment. | D.Education. |
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科目:高中英语 来源: 题型:阅读理解
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
* 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
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
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.keep muscles and bones strong |
B.build a strong and healthy heart |
C.keep body flexible |
D.reduce risk of injuries and pain in joints and muscles |
A.Yoga is really better for people than running |
B.The three kinds of training have links with one another |
C.Flexibility training helps you build up your muscles |
D.The more exercise you do, the better |
A.meeting | B.gathering | C.term | D.period |
A.how to build up our strength |
B.how to choose an exercise type |
C.how to find a good workout dealing with two or three of these goals |
D.how to be more flexible |
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