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回答题Text lIt" s a time when school， homework， active social lives and part-time jobs kee

回答题

Text l

It" s a time when school， homework， active social lives and part-time jobs keep teenagers （少年） busy from early in the morning until late at night. They are likely to try to make up for a lack of sleep by "sleeping in" on the weekends. Unfortunately， this causes irregular sleep and actually makes the problem worse.

Most teenagers are not able to fall asleep until late at night. Since many teens aren"t sleepy until around 11 p.m.， but need to be at school by 7: 30 or 8: 00 A.m.， they cannot get enough sleep. During puberty（青春期）， the biological clock in the brain naturally re-sets to a later time， and this causes teens to fall asleep later. Then， when it" s time to get up， a teen" s body clock is likely to still be producing the night-time hormones（荷尔蒙）. This makes it hard for them to feel active and energetic in the morning.

A growing body of research suggests that starting high school later improves attendance， achievements and grades. A few years ago in an important study， test scores on the SAT college entrance exams in Edina， Minnesota jumped more than 100 points on average， when the morning school bell rang an hour later. Unfortunately， most schools are not set up to start later and fail to satisfy teen"s sleep needs.

What effect does "sleeping in" on the weekends have on teenagers？查看材料

A.Improving their health.

B.Weakening their energy.

C.Disturbing their biological clock.

D.Making up for their hormone loss.

答案

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发布时间：2020-09-20

更多“回答题Text lIt" s a time when school， homework， active social lives and part-time jobs kee”相关的问题

第1题

回答题·Read the text below about opinions on China’S car market． ·In most of the lines（3

回答题

·Read the text below about opinions on China’S car market．

·In most of the lines（34-45），there is one extra word．It is either grammatically，incorrect or does not讯in with the meaning of the text．Some lines，however，are correct．

·If a Iine is correct．write CORRECT on your Answer Sheet．

·lf there is an extra Word in the line．write the extra word in CAPITAL LETTERS on your Answer Sheet．

·The exercise begins with two examples，（0 and 00）．

回答题·Read the text below about opinions on China’S 34__________ 查看材料

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第2题

听音频，回答题 Did you ever wonder what occurs inside your body when something funny happe

听音频，回答题

Did you ever wonder what occurs inside your body when something funny happens？ What is this thing we have in our brains that makes us say "ha-ha" when someone26abanana？

One way to find out is to watch the brain laugh. That"s what Dartmouth neuroscientist William Kelley did. He and his team had a number of volunteers watch an27of Seinfeld while being monitored by an MRI， a machine that allows researchers to see which parts of the brain are active at any 28 time. They then matched the MRI data with the laugh track to see how the brain changes when it"s 29 something funny. There"s no one "funny center" in the brain——but the findings were pretty.

When subjects were looking at something funny， the two regions in their left hemispheres lit up. From 31 studies these regions are known to be associated with resolving unclear meanings. Is there something in "getting it" that"s 32 the process by which we work with unclear information until we suddenly see the pattern in it？

A couple seconds later two other brain regions became 33， called the insula（岛叶） and the amygdala（扁桃腺）. The insula is associated with 34， so it seems likely that this is the brain feeling good when it gets the joke——the "ha-ha" response. The amygdala is associated with memory formation. As the researchers35，while you may not be able to remember every plot detail in an episode of a soap opera， you can probably remember the jokes. Humor stays with us， forming a lasting memory.

第（26）题__________

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第3题

回答题Text 2Chicago"s Children"s Hospital is the lucky receiver of a surprise $18 million

回答题

Text 2

Chicago"s Children"s Hospital is the lucky receiver of a surprise $18 million gift from Gladys Holm. She once was a secretary who never earned more than $15，000 a year and never marrieD.She lived alone in a small flat in Chicago， and was a volunteer at the Children"s Hospital. She was called the "Teddy Bear Lady" because she brought toy animals to sick children on her regular visits. But Miss Holm， who died in 1996 at the age of 86， was also a long-time buyer of stocks （股票）. Over the years， she saved money that rose up to $18 million， which she left to the Children"s Hospital. It was the largest single donation in the hospital"s ll5-year history. The hospital president， Jan Jennings， was shocked when she heard the news. "When Miss Holm"s lawyer called to tell me how much that money was， I asked him to repeat it， since I was certain I had miss heard"

Why did Gladys Holm feel so strongly about the Children"s Hospital？ Jennings said the hospital first touched Miss Holm"s heart nearly 50 years ago， when doctors there saved the life of her friend"s daughter. She never forgot" the happiness she felt all those years ago.

Holm"s gift will he devoted to heart disease research. People at the hospital said they regretted that-they couldn"t thank Miss Holm for the surprising gift.

According to the text， Miss Holm built up her fortune by. 查看材料

A.playing Teddy Bear Lady

B.working as a secretary

C.helping in the hospital

D.buying stocks

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第4题

根据下面内容，回答题：AThis classic cross-culture book provides reading passages， culture n

根据下面内容，回答题：

A

This classic cross-culture book provides reading passages， culture notes， and discussion topics which focus on values， behaviours， attitudes and communication styles. It features a chapter on cultural diversity in the U. S. ， an explanation of mainstream U. S. values with examples which reveal some of the more hidden aspects of culture， examples of cross-cultural differences in a wide variety of cultures， and extensive readings and exercises.

B

As a multistand course——organized according to functions， discussion techniques and communication concepts——this text develops the speaking skills of business professionals or business students. It is easily adaptable to differing class sizes， student needs and interests. A special feature of the course is its carefully staged discussion activities which structure and facilitate group partici- pation.

C

This series is intended for students now ready to approach English literature. Each book deals with both the literary and the language aspects of their texts. Some exercises focus on a personal response， others on discussing literary qualities such as style， character， imagery and ideas. Other exercises concentrate on the development of language awareness in terms of grammar， vocabulary and different styles of writing.

D

Authentic texts covering a wide range of topics provide a stimulating basis for an approach of skills and strategies to academic reading. Techniques of skimming and scanning， identifying main ideas， understanding text organization and guessing unknown vocabulary provide the basis for each unit. These are followed by more advanced strategies， such as analyzing a writer"s use of time， evaluating a writer"s attitude and assessing the degree of certainty in arguments. Each unit ends with discussion topics which lead to a writing task based on the reading texts.

It aims to train the students to become sensitive to different styles of writing. 查看材料

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第5题

根据材料，回答题。 The first navigational lights in the New World were probably lanterns hu

根据材料，回答题。

The first navigational lights in the New World were probably lanterns hung at harbor en-trances. The first lighthouse was put up by the Massachusetts Bay Colony in 1716 on Little Brewster Island at the entrance to Boston Harbor. Paid for and maintained by "light dues" levied （征收） on ships， the original bcacon was blown up in 1776. Until then there were only a dozen or so true lighthouses in the colonies. Little over a century later， there were 700 lighthouses.

The first eight lighthouses erected on the West Coast in the 1850s featured the same basiC．New Eng.and design:a Cape Cod dwelling with the tower rising from the center or standing close by. In New England and elsewhere， though， lighthouses reflected a variety of architectural styles.

Since most stations in the Northeast were set up on rocky eminences （高出）， enormous towers were not the rule. Some were made of stone and brick， others of wood or metal. Some stood on pilings or stilts; some were fastened to rock with iron rods. Farther south， from Maryland through the Florida Keys， the coast was low and sandy. It was often necessary to build tall towers there——massive structures like the majestiC．lighthouse in Cape Hatteras， North Carolina， which was lit in 1870. 190 feet high， it is the tallest brick lighthouse in the country.

Not withstanding differences in construction appearance， most lighthouses in America shared several features : a light， living quarters， and sometimes a bell （or， later， a foghorn）. They also had something else in common: a keeper and usually the keeper"s family. The keeper"s essential task was trimming the lantern wick （灯芯） in order to maintain a steady， bright flame. The earliest keepers came from every walk of life， they were seamen， farmers， mechanics， rough mill hands and appointments were often handed out by local customs commissioners as political plums. After the administration of lighthouse was taken over in 1852 by the United States Lighthouse Board， and agencv of the Treasury Department， the keeper corps gradually became highly profes-sional.

Which is the best title for the passage？查看材料

A.The Lighthouse on Little Brewster Island.

B.The Life of a Lighthouse Keeper.

C.Early Lighthouses in the United States.

D.The Modern Profession of Lighthouse-keeping.

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第6题

阅读材料，回答题： The first navigational lights in the New World were probably lant

阅读材料，回答题：

The first navigational lights in the New World were probably lanterns hung at harbor en-trances. The first lighthouse was put up by the Massachusetts bay Colony in 1716 on Little brew-ster Island at the entrance to boston Harbor. Paid for and maintained by "light dues" levied （征收） on ships， the original beacon was blown up in 1776. Until then there were only adozen or sotrue lighthouses in the colonies. Little over acentury later， there were 700 lighthouses.

The first eight lighthouses erected on the West Coast in the 1850s featured the same basicNew England design:aCape Cod dwelling with the tower rising from the center or standing closeby. In New England and elsewhere， though， lighthouses reflected avariety of architectural styles.

Since most stations in the Northeast were set up on rocky eminences （高处）， enormous towerswere not the rule. Some were made of stone and brick， others of wood or metal. Some stood onpilings or stilts; some were fastened to rock with iron rods. Farther south， from Maryland throughthe FloridA．Keys， the coast was low and sandy. It was often necessary to build tall towers there——massive structures like the majesticlighthouse in Cape Hatteras， North Carolina，which was lit in1870. 190 feet high， it is the tallest brick lighthouse in the country.

Not withstanding differences in construction appearance， most lighthouses in Americasharedseveral features : alight， living quarters， and sometimes abell （or， later， afoghorn）. They alsohad something else in common: akeeper and usually the keeper"s family. The keeper"s essentialtask was trimming the lantern wick （灯芯） in order to maintain asteady， bright flame. The earli-est keepers came from every walk of life， they were seamen， farmers， mechanics， rough millhands and appointments were often handed out by local customs commissioners as political plums.

After the administration of lighthouse was taken over in 1852 by the United States Lighthouseboard， and agency of the Treasury Department， the keeper corps gradually became highly profes-sional.

Which is the best title for the passage？查看材料

A.The Lighthouse on Little brewster Island.

B.The Life of aLighthouse Keeper.

C.Early Lighthouses in the United States.

D.The Modem Profession of Lighthouse-keeping.

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第7题

回答题Text 3We feel it is important to start reading to your child right from the start——t

回答题

Text 3

We feel it is important to start reading to your child right from the start——the younger the better! With little ones （children from birth to 4 ） it is very important to read and reread books. Starting early makes the job of the listener （for you will be teaching your child how to listen） easier， as it helps to develop an early love of the written and spoken word.

We believe that you should read aloud to your child at least once every day. Set a special reading time during the day or evening when you can settle down and enjoy a book， without interruption. For most families， reading aloud at bedtime is a common practice.

We understand that it can be quite discouraging to read to a child who takes no interest. Take heart! Learning to listen takes experience. The more you read， the more your child will learn to sit for a story. Children have a natural development of responses（反应） to your reading. By the time your child reaches 6-7 months， s/he is attracted by the book in your hand， and would like to test it out by using it as a chew（咀嚼） toy. This is natural! By one year， your child is learning to listen and talk about the pages， often shouting out things s/he recognizes. Encourage this! And at the onset（起始） of walking， you have your biggest challenge yet. Your child is always on the go. You need to set your reading time for a time in the day when your child is preparing to settle down. This means bedtime. Remember， it is your right anD.duty to teach your child about the power of， books. Of course， it doesn"t happen overnight， but the returns are great!

Who does "the listener" in the first paragraph refer to？查看材料

A.The writer.

B.The child.

C.The parent.

D.The teacher.

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第8题

回答题。 Politician&39;s Attitude to Greenhouse Gas EmissionsThis leaves us with the chal

回答题。

Politician&39;s Attitude to Greenhouse Gas Emissions

This leaves us with the challenge of finding some politically practicable way to reduce greenhouse gas emissions. But it is an awkward truth that when most U.S. senators were asked informally in 2000 if they would support the Kyoto Protocol should President George W. Bush send it to the Senate for ratification, the overwhelming majority, Democrats as well as Republicans, said they could not. The reason for the liberals&39; surprising reply is clear. Many studies, not all by conservatives, suggest that full compliance with the terms of the Kyoto Protocol would likely lead to a deep American recession. For those willing to run this risk, sober reflection on the consequences of the economic collapse of 1929 and the subsequent worldwide depression with all its political and ultimately military consequences is certainly in order.

That said, what can be done, in particular by our own country: Independent of the issues raised by the Kyoto Protocol, and given the weight of evidence that the problem of global warming is serious and fraught with dire consequences, failure to do anything at all and instead to promote "business as usual" is downright criminal.

Yet the Bush administration has given no more than lip service to the problem, though that could be changing. It is one thing to weigh alternatives and implement compromises that reflect the complexity of the problem; it is quite another thing to do nothing, especially if doing nothing is just a way of securing support from certain industries that worsen the problem.

There are, after all, things that can be done. Reopening a serious international dialogue, and not just saying a few good words, would be a useful if inadequate start. Not every problem must be solved before the weight of evidence becomes so compelling that certain initial steps become almost mandatory. We already know how to make more fuel-efficient automobiles, yet no national policy has surfaced to accomplish this. The scientific and engineering communities are the ones best suited to identify the scientific research that is still needed and the technical projects that show the greatest promise. These issues should be decided by them and not the politicians. Once solutions look promising, as a few already do, industry will be all too ready to jump in, for at that stage there is money to be made. And only a fool would underestimate human ingenuity when given a proper incentive, or the strength of American industry once the boiler is lit under it.

What can be inferred about the Kyoto Protocol from paragraph I ？查看材料

A.It was about environment protection

B.It was supported by most Democrats

C.It was considered awkward by conservatives

D.It was officially rejected by most US senators

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第9题

根据材料，回答题。 "Salty" Rice Plant Boosts HarvestsBritish scientists are breeding a new g

根据材料，回答题。

"Salty" Rice Plant Boosts Harvests

British scientists are breeding a new generation of rice plants that will be able to grow in soil containing salt water. Their work may enable abandoned farms to become productive once more.

Tim Flowers and Tony Yeo， from Sussex University"s School of Biological Sciences， have spent several years researching how crops， such as rice， could be made to grow in water that has become salty.

The pair have recently begun a three-year programme， funded by the Biotechnology and Bio logical Sciences Research Council， to establish which genes enable some plants to survive salty

conditions. The aim is to breed this capability into crops， starting with rice.

It is estimated that each year more than 10m hectares （公顷） of agricultural land are lost because salt gets into the soil and stunts （妨碍生长）plants. The problem is caused by several

factors. In the tropics， mangroves （红树林） that create swamps （沼泽） and traditionally formed barriers to sea water have been cut down. In the Mediterranean， a series of droughts have caused the water table to drop， allowing sea water to seep （渗透） in. In Latin America， irrigation often causes problems when water is evaporated （蒸发） by the heat， leaving salt deposits behind.

Excess salt then enters the plants and prevents them functioning normally. Heavy concentra-tions of minerals in the plants stop them drawing up the water they need to survive.

To overcome these problems， Flowers and Yeo decided to breed rice plants that take in very little salt and store what they do absorB．in cells that do not affect the plants" growth. They have started to breed .these characteristics into a new rice crop， but it will take about eight harvests before the resulting seeds are ready to be considered for commercial use.

Once the characteristics for surviving salty soil are known， Flowers and Yeo will try to breed the appropriate genes into all manners of crops and plants. Land that has been abandoned to nature will then be able to bloom again， providing much needed food in the poorer countries of the world.

Which of the following statements about Flowers and Yeo is true？查看材料

A.They are students at Sussex University.

B.They are rice breeders.

C.They are husband and wife.

D.They are colleagues"at an institution of higher learning.

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第10题

听听力，回答题：A.Its the work combined musical talents with expertise．B.Its the s

听听力，回答题：

A.Its the work combined musical talents with expertise．

B.Its the song published in a collection．

C.Its the masterpiece enjoyed by kids and their parents．

D.Its the achievement made by the teacher．

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