第1题
Why do people shrink?
Did you ever see the movie Honey,I shrunk the kids? It’s about a wacky dad(who’s also a scientist)wh0 accidentally shrinks his kids with his homemade miniaturizing invention.0ops! ____(1).
For older people,shrinking isn’t that dramatic or sudden at all. It takes place over years and may add up to only one inch or so off of their adult height(maybe a 1ittle more,maybe less), and this kind of shrinking can’t be magically reversed,although there are things that can be done to stop it or slow it down._____(2).
There are a flew reasons.As people get older,they generally lose some muscle and flat from their bodies as part of the natural aging process.Gravity (the force that keeps your feet on the ground) take hold,and the bones in the spine,called vertebrae,may break down or degenerate,and start to collapse into one another_____ (3).But perhaps the most common reason why some older people shrink is because
of osteoporosis.
0steoporosis occurs when too much spongy bone tissue(which is found inside of most bones)is broken down and not enough new bone material is made.______(4). Bones become smaller and weaker and can easily break if someone with osteoporosis is injured. Older people—especially women,who generally have smaller and lighter bones to begin with--are more likely to develop osteoporosis.As years go by,a person with osteoporosis shrinks a little bit.
Did you know that every day you do a shrinking act? You aren’t as tall at the end of the day as you are at the beginning.That’s because as the day goes on,water in the disks of the spine gets compressed(squeezed)due to gravity,making you just a tiny bit shorter.Don’t worry,though._____(5)
A.They end up pressing closer together,which makes a person lose a little height and become shorter.
B.0rice you get a good night’s rest,your body recovers,and the next morning,you’re standing tall again. C.0ver time.bone is said to be lost because it’s not being replaced.
D.Luckily,there are things that people cab do to prevent shrinking.
E.The kids spend the rest of the movie as tiny people who are barely Visible while trying to get back to their normal size.
F.But why does shrinking happen at all ?
第 21 题 请选择(1)处的最佳答案.
第2题
The marvel of the machine age, the electronic computer has been in use only since 1946. It can do simple computations—add, subtract, multiply, and divide—with lightning speed and perfect accuracy. It can multiply two 10-digit numbers in 1/1, 000 second, a problem that would take an average person five minutes to do with pencil and paper. Some computers can work 500, 000 times faster than any person can.
Once it is given a program, that is, a carefully worked-out set of instructions devised by a technician trained in computer language, a computer can gather a wide range of information for many purposes. For the scientist it can get information from outer space or from the depths of the ocean. In business and industry the computer prepares factory inventories, keeps track of sales trends and production needs, mails dividend checks, and makes out company payrolls. It can keep bank accounts up to date and make out electric bills. If you are planning a trip by plane, the computer will find out what route to take and what space is available.
Why does the author regard the electronic computer as the marvel of the machine age?
A.Because electronic computers are rare.
B.Because people know little about electronic computers.
C.Because electronic computers can do much more kinds of work that human beings can't.
D.Because electronic computers have been widely suspected.
第3题
If you look at a map of Europe, you'll see a group of islands--one larger island off the northwest coats, one smaller and many tiny ones. These make up what is called the British Isles (不列填群岛). The largest island of the British Isles in Britain. It is also called Great Britain. The smaller island is Ireland (爱尔兰)。
Britain is divided into three parts: Scotland, Wales and England. But sometimes the word " England" is used instead of "Britain". Why so?
In anceient times, what is Britain now used to be three different countries. People in these different counntries spoke different languages. Over many years the three countries became one. England in the largest and richest of the three and it has the most people. So the English people take it for granted that their own name stands for the whole island.
There's another thing that confuses people; sometimes you may hear people say "the United Kingdom of Great Britain and Northern Ireland. "That is the official name of the country. Northern Irelnd is only one sixth of the island of Ireland. The rest of the island is an independent state, called the Republic of Ireland. So we have the names of "England", "Britain"," Great Britain", and "the United Kingdom of Great Britain and Northern Ireland". Now do you know what each of them means?
English was first spoken in ______.
A.Britain
B.England
C.Great Britain
D.Ireland
第4题
第5题
“Are you crazy?” people around him shouted as Alex Bien, a 33-year-old immigrant(移民), ran toward three cars in a chain accident along the highway in Miami, which were burning down. Alex didn’t think twice.
The article “Against the Flames” reported how he put out the fire on a car and pulled a couple out of another. But when here turned to his own car, steam was coming out from it. It was damaged beyond repair.
Back in his tiny flat, alone and with little money, Alex didn’t know what to do. He was already working, going to college and supporting his wife, Aline, and children back in Haiti. He worried about his wife’s health; doctors thought she had cancer(癌症). Every cent was important to him. And now this.
With in weeks of reading the article, readers sent hundreds of letters offering jobs, money and best wishes. One delivered a car-used, but in fine condition. Others helped Aline come to Miami, where a medical team found out it was not cancer.
Readers also wrote to U.S. government officials to support the immigration of Alex’s family to Miami. Consul General Roger Daley even invited Alex to discuss the matter. Aline, to get her with their children, joined Alexin Miami this past March. Alex says, “I would like to say a beautiful thanks to the readers. There are good people every where in this world.”
Why did people say that Alex was crazy?????
A.He had an accident
B.He made a fire on the highway
C.He burned his car
D.He ran toward the burning cars
What do we know about Alex from the text?A.He and his wife worked in the U.S.
B.He was a full-time student in Haiti
C.He was an immigrant with little money
D.He wrote the article “Against the Flames”
What did Roger Daley invite Alex to discuss?A.Alex’s new job as a news reporter
B.The medical treatment of Alex’s wife
C.Alex’s further studies at a U.S.university
D.The immigration of Alex’s family to the U.S.
What made Alex say “There are good people everywhere in this world”?A.Some strangers repaired his car free of charge
B.Some people supported his children’s education
C.Many readers of the article tried to help him out
D.His friends sent doctors to treat his wife in Haiti
第6题
"I worked a bit with NASA engineers," says Voss, "but I did it mostly by analysis. I used a handheld calculator, not a computer, to do a thermodynamic analysis. "At the end of the summer, he, like the other NASA-ASEE fellows working at Marshall, summarized his findings in a formal presentation and detailed paper. It was a valuable moment for Voss because the ASEE program gave him added understanding of NASA, deepened his desire to fly in space, and intensified his application for astronaut status.
It was not an easy process. Voss was actually passed over when he first applied for the astronaut program in 1978. Over the next nine years he reapplied repeatedly, and was finally accepted in 1987. Since then he has participated in three space missions. The 50-year-old Army officer, who lives in Houston, is now in training for a four-month mission as a crew member on the International Space Station starting in July 2000.
Voss says the ASEE program is wonderful for all involved. "It brings in people from the academic world and gives NASA a special property for a particular period of time. It brings some fresh eyes and fresh ideas to NASA, and establishes link with our colleges and universities," Voss explains. "There's an exchange of information and an exchange of perspectives that is very important."
For the academic side, Voss says, the ASEE program also "brings institutions of higher learning more insight into new technology. We give them an opportunity to work on real-world problems and take it back to the classroom. "
Why was the hydraulic fuel pump seal important for the space shuttle?
A.Because previous seals all failed.
B.Because it was very complex in running the space program.
C.Because great care has to be taken of the hydraulic fuel pump sealing.
D.Because any crack in the seals would cause disastrous results for the astronauts.
第7题
A.Good
B.Quite well
C.No problem
D.Not bad
第8题
A.现今,世界上大城市的许多人已经住在小公寓里。
B.今天,大城市里的许多人已住在小公寓里了。
C.今天,许多人已经住在城市中最大的小公寓里了。
第9题
A.My name is Li Yan
B.My mother's name is Li Yan
C.Your mother's name is Li Yan
第10题
Li Ping’s father told him never to_____ the study of English.
A.give out
B.give up
C.give in
D.give back
第11题
提示:星期三晚上有一个音乐会,Betty有两张票,打电话给Rose,问她是否有空前往,并约她音乐会后去看望王大爷,Rose听了很高兴,两人相约在六点四十五分入口处见面。
Rose:Hello!This is Rose speaking.
Betty:Hello!Rose,this is Betty. (1) this Wednesday evening?
Rose:Yes,Why?
Betty:There&39;s a good concert,and I&39;ve got two tickets.I wonder (2) .
Rose:That&39;s great! (3) ?
Betty:7 o&39;clock.But how about (4) at 6:45?
Rose.OK.I think I can make it.
Betty;After the concert, (5) shall we?
Rose:That&39;s a good idea?Why don&39;t we take some food for him?
Betty:Why not? OK,see you Wednesday.
Rose:See you then.Bye!
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请帮忙给出每个问题的正确答案和分析,谢谢!