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Why Do People Shrink？
Did you ever see the movie Honey, I shrunk the kids？ It&39;s about a wacky(古怪的)dad (who&39;s also a scientist) who accidentally(偶然的) shrink&39;s his kids with his homemade miniaturizing (使小型化) invention. Oops! The kids spend the rest of the movie as tiny people who are barely visible while trying to get back to their normal size.
(46) It takes place over years and may add up to only one inch or so off of their adult height (maybe a little 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. But why does shrinking happen at all？
(47) As people get older, they generally lose some muscle and fat 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(椎骨), may break down or degenerate, and start to collapse into one another. (48) . But perhaps the most common reason why some older people shrink is because of osteoporosis (骨质疏松症).
Osteoporosis occurs when too much spongy(海绵) bone tissue (which is found inside of most bones) is broken down and not enough new bone material is made. (49) . 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&39;t as tall at the end of the day as you are at the beginning. (50) . Don&39;t worry, though. Once you get a good night&39;s rest, your body recovers, and the next morning, you&39;re standing tall again.
46
A. They end up pressing closer together, which makes a person lose a little height and become shorter.B. That&39;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.C. Over time, bone is said to be lost because it&39;s not being replaced.D. Luckily, there are things that people can do to prevent shrinking.E. For older people, shrinking isn&39;t that dramatic or sudden at all.F. There are a few reasons.
47
A. They end up pressing closer together, which makes a person lose a little height and become shorter.B. That&39;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.C. Over time, bone is said to be lost because it&39;s not being replaced.D. Luckily, there are things that people can do to prevent shrinking.E. For older people, shrinking isn&39;t that dramatic or sudden at all.F. There are a few reasons.
48
A. They end up pressing closer together, which makes a person lose a little height and become shorter.B. That&39;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.C. Over time, bone is said to be lost because it&39;s not being replaced.D. Luckily, there are things that people can do to prevent shrinking.E. For older people, shrinking isn&39;t that dramatic or sudden at all.F. There are a few reasons.
49
A. They end up pressing closer together, which makes a person lose a little height and become shorter.B. That&39;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.C. Over time, bone is said to be lost because it&39;s not being replaced.D. Luckily, there are things that people can do to prevent shrinking.E. For older people, shrinking isn&39;t that dramatic or sudden at all.F. There are a few reasons.
50
A. They end up pressing closer together, which makes a person lose a little height and become shorter.B. That&39;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.C. Over time, bone is said to be lost because it&39;s not being replaced.D. Luckily, there are things that people can do to prevent shrinking.E. For older people, shrinking isn&39;t that dramatic or sudden at all.F. There are a few reasons.
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更多“Why Do People Shrink？Did you ever see the movie Honey, I shrunk the kids？ It&39;s about a”相关的问题
第1题
ay______.
第2题
??Old Man Myths and Realities??
?? l. Whendoes a middle-aged man become an old man? Officially,of course,it&39;s when wereach retirement age. But,as we all know, this is a fairly blun??????t(生硬的)method of decisionmaking. As life expectancy(预期寿命)increases,retirement planning needs to be changed. This is becausebeing an old man today is very different from what it was a generation or soago.??????
?? 2.Sixty-five is the new middle-aged man. These days people are talking about theyoung-old,that is ages 70-75,and those over 75 as the old-old. The young-oldfrequently continue in good health and maintain strong links with friends andfamily. The old-old have a much higher chance of poor health and socialisolation.??
?? 3.Although men are living longer, there are still more old women than old men.This fact alone should arouse interest as to why. Relatively little.is actuallyknown about why this is the case or about the experiences of the old man. Sure,we are aware that the old man experiences anxiety, financialproblems,loneliness,etc, but that&39;s really about all we know.??
?? 4. Itis usually believed that the old man often complains about their health. Infact, most old man think their health is good even though most are diagnosedwith at least one chronic illness. The physi- cal health of the old man isstrongly affected by their health behavior. when they were younger.
??Paragraph 1_____??????
??Paragraph 2______
??
??Paragraph 3______??
??Paragraph 4______??
??Nowadays men generally live longer than______??
??A man in his mid-60s is now regarded as________??
??More research should be done on the experiences of________??
??Most old men consider themselves to be___________??
请帮忙给出每个问题的正确答案和分析，谢谢！
第3题
Development in Newspaper Organization
?? One ofthe most important developments in newspaper organization during the first partof the twentieth century ________________ (46) ,which are known as wire services. Wire-servicecompanies employed reporters, whocovered stories all over the world. Their news reports were sent to papersthroughout the country by telegraph. The papers paid an annual fee for thisservice. Wire services continue (47). Today the major wire services are theAssociated Press (AP) and United Press Interna-tional (PUI). You willfrequently find AP or UPI at the beginning of a news story.??
?? Newspaperchains and mergers began to appear in the early 1900s. A chain consists of twoor more newspapers___________ (48). A merger involves combining two or morepapers into one. During the nine- teenth century many cities had more than onecompetitive independent paper. Today in most cities there are only one or twonewspapers, and __________________(49). Often newspapers in several citiesbelong to one chain. Papers have combined _____________ (50). Chains and mergers have cut down production costs and brought the advantagesof big-business methods to the newspaper industry.??
46
??A. toplay an important role in newspaper operations
??B. wasthe growth of telegraph services??
????C. and they usually enjoy great prestige??
??D. theyare usually operated by a single owner??
??E. inorder to survive under the pressure of rising costs
??F. ownedby a single person or organization????????
47
A. toplay an important role in newspaper operations
B. wasthe growth of telegraph services
C. and they usually enjoy great prestige
D. theyare usually operated by a single owner
E. inorder to survive under the pressure of rising costs
F. ownedby a single person or organization
48
A. toplay an important role in newspaper operations
B. wasthe growth of telegraph services
C. and they usually enjoy great prestige
D. theyare usually operated by a single owner
E. inorder to survive under the pressure of rising costs
F. ownedby a single person or organization
49
A. toplay an important role in newspaper operations
B. wasthe growth of telegraph services
C. and they usually enjoy great prestige
D. theyare usually operated by a single owner
E. inorder to survive under the pressure of rising costs
F. ownedby a single person or organization
50
A. toplay an important role in newspaper operations
B. wasthe growth of telegraph services
C. and they usually enjoy great prestige
D. theyare usually operated by a single owner
E. inorder to survive under the pressure of rising costs
F. ownedby a single person or organization
请帮忙给出每个问题的正确答案和分析，谢谢！
第4题
Screen Test
?? 1.Every year millions of women are screened with X-rays to pick up signs ofbreast cancer. If this happens early enough, the disease can often be treated successfully.According to a survey Australia, Canada, the US and Spain, screen women under 50.??
?? 2. Butthe medical benefits of screening these younger women are controversial, partlybecause the radiation brings a small risk of inducing cancer. Also, youngerwomen must be given higher doses of X-rays because their breast tissue isdenser.??
?? 3.Researchers at the Polytechnic University of Valencia analysed the effect ofscreening more than 160,000 women at 11 local clinics. After estimating thewomen&39;s cumulative dose of radiation, they used two models to calculate thenumber of extra cancers this would cause.??
?? 4. Themathematical model recommended by Britain&39;s National Radiological ProtectionBoard (NRPB) predicted that the screening programme would cause 36 cancers perioo,ooo women， 18 0f them fatal. The model preferred by the UN Scientific Committee onthe Effects of Atomic Radiation led to a lower figure of 20 cancers.??
?? 5. Theresearchers argue that the level of radiation-induced cancers is"not verysignificant" com- pared to the far larger number of cancers that arediscovered and treated. The Valenciaprogramme, they say, detects between 300 and 450 cases of breast cancer inevery 100,000 women screened.
?? 6. Butthey point out that the risk of women contracting can??cer from radiation couldbe reduced by between 40 and 80 percent if screening began at 50 instead of 45,because they would be exposed to less radiation. The results of their study,they suggest, could help "optimize the technique" for breast cancerscreening.
??7."There is a trade-off between the diagnostic benefits of breast screeningand its ri??sks," admits Michael Clark of the NRPB. But he warns that thestudy should be interpreted with caution. "On the basis of the currentdata, for every 10 cancers successfully detected and prevented there is a riskof causing one later in life. That&39;s why radiation exposure should be minimizedin any screening pro- gramme. "
????Paragraph 2 ___
??
??Paragraph 3 ______??
??Paragraph 4 _____??
??Paragraph 5 ________??
??Early discovery of breast cancer may ________??
??Advantages of screening women under 50 are _________??
??Delaying the age at which screening starts may _______??
??Radiation exposure should be _________??
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第5题
50
A. In reply, Dr. Zunin would claim that a little practice can help us feel comfortable about chan- ging our social habits.
B. Much of what has been said about strangers also applies to relationships with family members and friends.
C. In his opinion, success in life depends mainly on how we get along with other people.
D. Every time you meet someone in a social situation, give him your undivided attention for four minutes.
E. He keeps looking over the other person&39;s shoulder, as if hoping to find someone more interest- ing in another part of the room.
F. He is eager to make friends with everyone.
第6题
48
A. In reply, Dr. Zunin would claim that a little practice can help us feel comfortable about chan- ging our social habits.
B. Much of what has been said about strangers also applies to relationships with family members and friends.
C. In his opinion, success in life depends mainly on how we get along with other people.
D. Every time you meet someone in a social situation, give him your undivided attention for four minutes.
E. He keeps looking over the other person&39;s shoulder, as if hoping to find someone more interest- ing in another part of the room.
F. He is eager to make friends with everyone.
第7题
50
A. This mountain rises l,532 feetmaking it the highest mountain on the Atlantic seaboard.
B. It is split almost inhalf by Somes Sound, a deep and narrow stretch of water, seven miles long.
C. The wealthy residents of Mt. Deserts Island selfishly kept itto themselves.
D. Mt. Desert island is one of the most famous ofall the islands left behind by the glacier.
E. The term comes from theactivity of the ice age.
F.It also lies in a major bird migration lane and is a resting spot for manybirds
第8题
ons
第9题
The scientists are trying to find oust if masks may or may not______. A. overuse face masks
B. deal with the mask problem seriously
C. rub their faces and noses in the subway
D. protest against the mask guidelines
E. help protect people from being attacked by a flu F. announce the results of their mask research
The scientists are trying to find oust if masks may or may not______.
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