题目
题型:不详难度:来源:
Teeth are important.Strong,healthy teeth help you chew foods that help you grow.They help you speak clearly.And,they help you look your best.Here are some tips for you to take care of your teeth.
1.Brush your teeth on the right way.
Brush your teeth at 1east twice a day—after breakfast and lunch or after sweet snacks,too.
Brush all of your teeth,not just the front ones,Spend time brushing teeth along the sides and back of your mouth.Brush away from your gums,too.
Spend at least three minutes each time you brush.Play a song you like to help pass the time.Get a new toothbrush every three months.When you buy your toothbrush,be sure it has soft bristles(毛).
2.Learn how to floss your teeth.
Flossing is a very important way to keep your teeth healthy.Food may hide in places where a toothbrush cannot get to,like the space between two teeth.Flossing can help get rid of it.Carefully move floss between two teeth.Up and down.You’11 need to floss your teeth at least once a day.
3.Have good eating habits.
You need to be careful about what you eat and drink。Eating sugar is a major of tooth decay(腐败).Eating sugar before you go to bed can make things even worse,eat lots of fruit and vegetables and drink water instead of soda.
60.The passage is mainly about .
A.how to take care of your teeth
B.how to brush your teeth
C.how to form good eating habits
D.how to floss your teeth
61.The underlined word “tips” in this passage means .
A.money given to the waiter for personal services
B.piece of advice on how to do something
C.light blow,tape
D.thin end of something
62.When you brush your teeth.at least minute(s)is necessary.
A.1 B.2 C.3 D.4
63.Which is NOT mentioned in this passage?
A.Flossing your teeth. B.Having good eating habits.
C.Brushing your teeth. D.Going to see the dentist.
64.Which of the following statements is NOT true according to this article?
A.We should brush our teeth at least twice a day.
B.Flossing can help to get rid of the food hidden between two teeth.
C.One of the major causes of tooth decay is eating sugar.
D.We don’t have to brush our teeth if we eat a lot of fruit and vegetables.
答案
小题1:A
小题2:B
小题3:C
小题4:D
小题5:D
解析
核心考点
试题【Teeth are important.Strong,healthy teeth help you chew foods that help you grow.】;主要考察你对题材分类等知识点的理解。[详细]
举一反三
Dogs have long been used to find explosives and drugs.Now,a new study shows that man’s best friend can also help to find lung and breast cancer,researchers report in integrative Cancer Therapies.The findings show that trained ordinary household dogs can detect early—stage lung and breast cancers by smelling the breath samples of patients.
Researchers have found that cancer cells send out molecules different from those of healthy ones,and that might be sensed by smell by the highly sensitive dog’s nose.
For the study,five dogs were trained by a professional instructor to respond differently to breath samples of healthy and cancer patients.“The dogs learned to sit or lie down in front of cancer patient samples and to ignore control samples through the method of food reward,” McCulloch explained.
After a period of training,researchers tested the animals’ability to distinguish cancer patients from controls.The animals were given breath samples from 55 patients with lung cancer,3 1 with breast cancer and 83 healthy controls who were not included in the original training period.
McCulloch’s group found that the dogs were able to correctly distinguish the breath samples of cancer patients from those of the control subjects in about 90 percent of the cases.The dogs were also able to detecting early-stage lung and breast cancers.
“These results show that there is hope for early detection,”McCulloch said.The re-searches are planning to conduct further studies on the breath composition of cancer patients to possibly design an electronic device that can do the dogs’job.“A dog’s nose is so powerful it can detect odors(气味)10 000 to 100 000 times better than a human nose can.I hope people will be interested in doing this research,”McCulloch added,“It shows that there is definitely something out there.”
65.McCulloch and his group used in their research.
A.10 dogs and 55 people B.5 dogs and 86 people
C.10 dogs and 83 people D.5 dogs and 169 people
66.The underlined work “distinguish” means
A.to make somebody feel better B.to recognize differences of
C.to remember somebody forever D.to discomfort somebody
67.We can infer from the passage that .
A.dogs can smell signs of other cancers except the above two kinds
B.the final goal of the researchers is to design an electronic dog to detect cancer
C.dogs can detect odors 10 000 to 100 000 times better than humans can
D.dogs will soon be widely used to smell signs of cancers in hospitals
68.Which of the following would be the best title?
A.Special Noses of Dogs B.Dogs and Cancer
C.Dogs Smell Signs of Cancer D.McCulloch’S New Discovery
A sunflower is a sunflower. A mobile phone is a mobile phone. But can you combine the two to do something for your local environment? As early as next year it may well be possible. When you have finished with your mobile phone you will be able to bury it in a garden or a plant pot and wait for it to flower.
A biodegradable (生物所能分解的) mobile phone was, this month, introduced by scientists. It is hoped that the new type of phone will encourage consumers to recycle.
Scientists have come up with a new material over the last five years. It looks like any other plastic and can be hard or soft, and is able to change shape. Over time it can also break down into the soil without giving out any poisonous chemicals. British researchers used the new material to develop a phone cover that contains a sunflower seed. When this new type of cover turns into waste, it forms fertilizers. These feed the seed and help the flower grow.
Engineers have designed a small transparent (透明的) window to hold the seed. They have made sure it only grows when the phone is thrown away. “We’ve only put sunflower seeds into the covers so far. But we are working with plant experts to find out which flowers would perform best. Maybe we could put roses in next time,” said one scientist.
As phone technology is developing so quickly, people are constantly throwing their mobiles away. This means manufacturers are under pressure to find ways of recycling them. Some 650 million mobile phones have been sold this year. Most of them will be thrown away within two years, adding plastic, heavy metal and chemical waste to the environment. A biodegradable cover can offer some relief (缓解) for nature , according to the scientists.
“The seed comes out and the flower grows in the pot so you don’t have to concern yourself with the phone when you have finished using it,” said Kerry Kirwan. She leads the research team, which is based at the University of Warwick in Britain.
What is the purpose of this passage?
A. To tell the popularity of biodegradable cell phones.
B. To persuade the reader to buy the biodegradable cell phone.
C. To discuss the development of phone technology.
D. To introduce an environmentally-friendly cell phone to readers.
People throw away their cell phones most probably because _______.
A.there is something wrong with them
B.no sunflowers can grow out of them
C.they are out of fashion
D.they are becoming cheaper and cheaper
It could be learned from the passage that _________.
A.developing the new type of phone is mainly to protect the environment
B.phone-makers will benefit much more from the new type of phone
C.the new type of phone will certainly be popular with users all over the world
D.the phones that can be recycled are available only in Britain now
What might be the best title for this passage?
A.Sunflower and Phone. B.Plant Your Phone.
C.Protect Our Environment. D.No Worry about Phone.
Where can we probably find the passage above?
A. In a novel. B. In a magazine. C. In a textbook. D. In a diary
第三部分:阅读理解(共20小题,每小题2分,满分40分)
What if you arrived home to find a delicious hot meal waiting for you,prepared by your very own kitchen robot? It might sound like science fiction,but professors at the university of Tokyo have taken the first steps toward making that scenario a reality.The team recently introduced a humanoid kitchen robot that can pour tea and other drinks into cups and serve them to guests.When teatime is over,the robot can also wash the dishes and put them away.
In California,another interesting kitchen robot has been developed.Called the Ready-bot,it can pick up objects and either store them in cabinets or put them in the trash.It also carries a separate floor-cleaning robot that can operate by itself.Unlike the Japanese robot,Readybot is not humanoid.Instead,it looks more like a large box with arms and wheels.
Readybot was created by engineers and designers who established a club called the Readybot Challenge.They believe that in the future millions of robots will be needed in homes to perform ordinary household tasks.Readybot is just the first step in their plan to create a robot that can tackle jobs not only in kitchens but in other rooms of homes and in offices as well.
Clearly there are technological hurdles to overcome before robots can cook a complete dinner,and there are also many safety concerns.Not everyone(especially parents)would be comfortable with the idea of robots in their house,manipulating hot pans and sharp knives.The European Commission recently funded a project to study these concerns.
56.What does the writer imply about the Japanese robot?
A.It performs fewer functions than readybot can.
B.it looks more like a person than Readybot does.
C.It speaks more languages than Readybot does.
D.It costs 1ess to manufacture than Readybot does.
57.Where do the engineers and designers hope that Readybot will operate in the future?
A.On spacecraft B.In automobiles
C.On playgrounds D.At companies
58.What does the writer imply about parents?
A.They have shown tremendous interest in kitchen robots.
B.They don’t have strong opinions about kitchen robots.
C.They might think that kitchen robots could be dangerous.
D.They can’t wait to buy kitchen robots for their homes.
59.According to the writer,what has the European Commission done for the project?
A.It has built factories B.It has printed manuals
C.It has hired workers D.It has provided money
What is your favorite color? Do you like yellow,orange,red? If you do,you must be an optimist,a leader,an active person who enjoys life,people and excitement.Do you prefer grey and blues? Then you are probably quiet,shy and you would rather follow than lead.If you love green,you are strong-minded and determined.You wish to succeed and want other people to see you are successful.At least this is what psychologists(心理学家)tell us,and they should know,because they have been seriously studying the meaning of color preference,and the effect that colors have on human beings.They tell us that we don’t choose our favorite color as we grow up.If you happen to love brown,you did so as soon as you opened your eyes,or at least as soon as you could see clearly.
A yellow room makes us feel more cheerful and more comfortable than a dark green one,and a red dress rings warmth and cheer to the saddest winter day.On the other hand,black is depressing(压抑).Light and bright colors make people not only happier but more active.It is a fact that factory workers work better,harder,and have fewer accidents when their machines are painted orange rather than black or dark gray.
Remember,then,that if you feel low,you can always brighten your day or your life with a new shirt or a few colorful things.Remember also that you will know your friends and your enemies better when you find out what colors they like and dislike.And don’t forget that anyone can guess a lot about your character when you choose a piece of handkerchief.
60.According to this passage, .
A.one can choose his color preference
B.one is born with his color preference
C.one’s color preference is changeable
D.one has to choose his favorite color as soon as he can see clearly
61.We would pay attention to colors because .
A.colors do have effect on our moods(情绪)
B.colors may have effect on our work and study
C.light and bright colors make people happy
D.you can know your friends better by the colors they like or dislike
62.The main idea of this passage is .
A.one’s color preference shows one’s character
B.you can brighten your lire with wonderful colors
C.psychologists have been studying the meaning of color preference
D.one’s color preference has something to do with his character and colors have effects on
human beings
63.The writer believes that in realizing the four modernizations of our country,we need more
people who love .
A.yellow B.red C.black D.green
Fish contains lost of omega-3 fatty acids.These fatty acids have been shown to help prevent heart disease,lower blood pressure and reduce the risk of strokes.Researchers suggest that these benefits of eating fish far outweigh the risks of getting sick from contaminated fish.
Ongoing studies find that omega-3 fatty acids work magic on the brain too.Pregnant? Go out and eat fish! One study tracked a group of expectant women who ate more than 340 grams of fish per week.It turns out they gave birth to children who,years later,scored really high on IQ tests.
How can you add fish to your diet? One way to begin is by replacing meat with fish in one meal a week.Instead of frying,which retains more fat,try boiling your fish in an oven or grilling it outdoors.And don’t be afraid to spice up your fish.Garlic,herbs other spices can add wonderful flavors to fish.
For lighter meals,keep a few cans of tuna or other fish on hand at all times.They’re great for making tasty sandwiches or fish burgers.If you get hungry in the middle of the morning or afternoon,try tuna on crackers.It’s hard to find a better snack.And parents,be sure to introduce fish to your children.It’s important for them to get used to eating it at a young age·
67.What does the writer discuss in this passage?
A.Chemicals in popular drinks B.The best way to lose weight
C.Famous fast food restaurants D.Reasons for having seafood
68.What does the writer point out about the women in the study group?
A.They cooked for their husbands. B.They were going to have babies.
C.They grew their own vegetables. D.They lived with elderly parents.
69.What does the author imply about omega-3 fatty acids?
A.They can make kids smarter. B.They are found in most foods.
C.They last for just a few days. D.They create significant risks.
70.Why is grilling better than frying?
A.It’s fancier. B.It’s quicker. C.It’s cheaper. D.It’s healthier.
71.According to the author,when is a good time to have tuna on crackers?
A.At lunchtime. B.During a party.
C.Between meals. D.After midnight.
最新试题
- 1________ doing more exercise to lose weight, many teenagers
- 2下列说法中,正确的是( )A.汽油机的压缩冲程,主要是用热传递的方法增加了气缸内气体的内能B.汽车发动机用水做冷却剂,
- 3能用来鉴别NaOH、NaCl、H2SO4的一种试剂是( )A.紫色石蕊试液B.酚酞试液C.氯化钡溶液D.碳酸钾溶
- 4在炎热的夏天,为了降温,经常在地上泼水,这样做的目的是( )A.水使地面潮湿,所以可以降温B.水容易散热C.水温比气温
- 5在下表“类别”栏目内,错误的字母序号是( )化学式HNO3Na2CO3Ca(OH)2K类 别CBDA
- 6在长方体ABCD-A1B1C1D1中,已知AB=4,AD=3,AA1=2.E、F分别是线段AB、BC上的点,且EB=FB
- 7如图所示,在E=103V/m的水平向左匀强电场中,有一光滑半圆形绝缘轨道竖直放置,轨道与一水平绝缘轨道MN连接,半圆轨道
- 8我国自行研制发射的“风云一号”“风云二号”气象卫星的运行轨道是不同的,“风云一号”是极地圆形轨道卫星,其轨道平面与赤道平
- 9读“黄河流域简图”,回答1~4题。1.图中表示黄土高原的数字代号是[ ]A.① B.②
- 10轿车挡风玻璃不竖直安装,其主要原因是______.
热门考点
- 1(2011•潍坊)如图,半径为1的小圆在半径为9的大圆内滚动,且始终与大圆相切,则小圆扫过的阴影部分的面积为( )A.
- 2【题文】促进地球上的大气、水、生物活动和变化的主要动力是A.日、月引力能B.重力能C.太阳辐射能D.地球内部热能
- 3不需要密封保存的是[ ]A.浓盐酸B.浓硫酸C.火碱D.石灰石
- 4(1)解方程组 x+y=32x-y=6(2)先化简,再求值:(x+2)(x-2)-x(x-1),其中x=-1.(3)计算
- 5 ________ the calculation is right, scientists can never be
- 6(1)如图1,正方形ABCD中,E为边CD上一点,连接AE,过点A作AF⊥AE交CB的延长线于F,猜想AE与AF的数量关
- 7 The lecturer began by _____ us where the island was, and we
- 8如图表示某物质微观形成过程.请仔细观察并回答下列问题:(1)图示形成的物质化学式为 ;(2)该过程说明原子
- 9运动会的百米赛跑,终点计时采用以下哪种方式开始计时误差较小[ ]A.听到枪声时 B.听到发令员的哨声时C.看到运
- 10如图所示,让一束太阳光通过棱镜射到白屏上,在白屏上就形成一条彩色光带,其颜色自上而下依次是_____________ 不