阅读下面短文，根据其内容写一篇60词左右的内容概要。School uniforms are...

阅读下面短文，根据其内容写一篇60词左右的内容概要。

If you're worried that too much “screen time ”could badly influence your child's intelligence， new research suggests you might be right. By analyzing the data gathered from over 4，500U. S. kids aged 8 to 11 between 2016 and 2017，Jeremy Walsh，a postdoctoral fellow with the CHEO Research Institute in Ottawa， found that too much “screen time” could be harming your child's intelligence.

Kids with the sharpest intellects spent less than two hours a day on their cellophanes， tablets and computers coupled with 9 to 11 hours of sleep and at least an hour of physical activity. Too much screen time could be affecting kids ability to focus， especially if they are switching between apps on a device or between different screens at the same time， Walsh suggested. “ One leading theory is that much time on screens is spent multitasking using multiple apps or devices at once，” he said. “This can interfere with a child's ability to focus and keep interest on a task. It can be damaging the building blocks for good cognition(认知).”

Sleep is important for brain development， since that's when the brain reorganizes itself and grows， Walsh added. Besides， exercise has been shown to increase blood flow to the brain and oxygenation of brain tissues， and increases the connectivity of networks in the brain. Too much screen time could lead to a“ cascade”(瀑布) effect where kids don't get enough sleep and then are less active during the day.“ You can see how this would have an impact on brain health，” Walsh said.

What should parents do? Walsh advised setting firm rules about the use of screens including how long children are using the screens， the kinds of apps they are using and how many screens they are using at once. Concerned parents also should preview games or apps before letting their child play， seek out more interactive(交互的)options that engage the child's mind， and use parental controls to block or filter content and limit screen time.

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高二英语概要写作中等难度题查看答案及解析

概要写作

阅读下面短文，根据其内容写一篇60词左右的内容概要。

When a consumer finds that something he or she bought is faulty or in some other way does not live up to what the producer says for it, the first step is to present the warranty(保单),or any other records that might help, at the store of buying. In most cases, this action will produce results.

However, if it does not, there are various means the consumer may use to gain satisfaction. A simple and common method used by many consumers is to complain directly to the store manager. In general, the “higher up” the consumer takes his or her complaint, the faster he or she can expect it to be settled. In such a case, it is usually settled in the consumer's favour, taking it as true that he or she has a just right.

Consumers should complain in person whenever possible, but if they cannot get to the place of buying, it is acceptable to phone or write the complaint in a letter.

Complaining is usually most effective when it is done politely but firmly, and especially when the consumer can show clearly what is wrong with what was bought in question. If this cannot be done, the consumer will succeed best by presenting specific information as to what is wrong, rather than by making general statements. For example, “The left speaker does not work at all and the sound coming out of the right one is unclear” is better than “This stereo(立体音响) does not work.”.

The store manager may advise the consumer to write to the producer, if so, the consumer should do this, stating the complaint as politely and as firmly as possible. But if a polite complaint does not achieve the expected result, the consumer can go a step further. He or she can threaten to take the seller to court or report the seller to a public organization responsible for protecting consumers' rights.

高二英语书面表达中等难度题查看答案及解析

阅读下面短文，根据其内容写一篇 60 词左右的内容概要。

Scientists have announced that they have cloned the first human embryo. This has caused much debate round the world. On the one hand, some scientists point out that if you clone an embryo, you can produce valuable human tissues—such as bone or lung tissue—that could be used to save human lives. On the other hand, many people, including some scientists, disagree and are afraid that, if mankind toys with nature in this way, we may be on our way to producing a real-life Frankenstein’s monster.

Cloning is producing an exact copy of a plant or an animal using its cells. The first mammal to be cloned successfully from an adult cell was Dolly the sheep. She was born in 1996 and died in early 2003, at a much younger age than normal. When she was born, many people were worried that cloning would lead to more diseases in the animal world. However, in general the scientists were praised for their wonderful scientific advance.

Ian Wilmut, the Scottish scientist who created Dolly, is shocked that some scientists are now considering cloning human beings. Although he researches cloning, his intention has never been to create copies of humans. Instead, he thinks research efforts should concentrate on creating new tissues and organs that can be used to cure diseases like cancer. However, some people believe that cloning human embryos with the intention of destroying them shows no respect for human life.

Even though human cloning is causing a lot of anxiety, it is good news for Faye Wilson, a 41-year-old saleswoman who cannot have a baby. “I am anxious to have a child of my own,” she says. “I don’t want to adopt someone else’s child—if I had the chance, I would have a cloned baby right now.”

While cloning human embryos is not legal in many countries, some scientists are already pushing ahead with research in order to produce a cloned human baby. Severino Antinori, an Italian physician, has declared that he wants to be the first to clone a human being.

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高二英语概要写作中等难度题查看答案及解析

阅读下面短文，根据其内容写一篇60词左右的内容概要。

School uniforms are becoming more and more popular across the U.S.A. That’s no surprise, because they offer many benefits. They immediately end the powerful social sorting and labeling (标记) that come from clothing. If all students are dressed in the same way, they will not pay too much attention to their clothing, and some of them will not be laughed at for wearing the “wrong” clothes.

Some people are against the strict rule of school uniforms, but they do not realize that students already accept a kind of rule - wanting to look just like their friends. The difference is that the clothing students choose for themselves creates social barriers (障碍); school uniforms tear those barriers down.

As in other places, uniforms remind the wearers of their purposes and duties. For example, when a man or woman puts on a police uniform, he or she becomes, for a time, the symbol (象征) of law and order. The uniform means to the wearer his or her special duties and sends the same message to everyone the wearer meets. People with different jobs wear uniforms of one kind or another. For students, the school uniform reminds them that their task for the six or seven hours they are in school is to get an education.

Some parents are unhappy about uniforms, saying that school uniforms will affect their children’s “creativity”. Actually, as noted above, the clothes students choose to wear do not necessarily express their individuality. They just copy their classmates. Students have the rest of the day to be as creative as they like. While they’re in school, their job is to master reading, writing, and mathematics; this should take up all the creativity they have. Mastery of those skills will be good for the students to build up their creativity in every way.

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高二英语概要写作中等难度题查看答案及解析

阅读下面短文，根据其内容写一篇60词左右的内容概要。

Human beings are smart. However, it seems that people are gradually losing their smartness as smartphones become more and more important assistants in their lives, reported news website Record Japan on Oct. 22. As we rely too much on technology instead of our brains, many people have lost three basic abilities, said the website.

The first skill many people have lost is remembering phone numbers. Because phone numbers are stored in smart phone contacts, there's no need to dial a number or look at it again.

And some people may also have lost their sense of direction because navigation apps can guide people anywhere they want to go. These apps can even find shortest routes for you and avoid traffic jams. But the worst lost skills may be social ones, meaning that some people are becoming socially inept(无能的）. People often bury themselves in their smart phones. As we're too addicted to what's happening in the virtual world, some of us have lost conversational skills and sometimes can't even tell whether a person is happy or not.

In August, researchers at the University of California, Los Angeles, studied 51 students aged 11 and 12 who had over five hours' screen time every day. Their task was to tell the emotions of 48 pictures of faces that were happy, sad, angry or scared. The children made an average of 14.02 mistakes at the beginning. But after a five-day camp without electronic (电子的) products, they made only 9.41 mistakes on average. “If you’re not practicing face-to-face communication, you could be losing important social skills,” concluded professor Yalda Uhls from the research.

Luckily, people still have a chance to get these abilities back. You should try to keep your parents' numbers in mind for emergencies. You should also pay more attention to street signs and stores, which will help you to draw a mind map and stop you from getting lost. And the easiest solution to social skill loss is to take a break from electronic devices because we are social creatures. We need device-free time.

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高二英语概要写作中等难度题查看答案及解析

阅读下面短文，根据其内容写一篇60词左右的内容概要。

You may know that vitamin C is important to your body，but do you know that vitamin D is important to your body as well? Vitamin D has a significant role in calcium homeostasis(钙稳态) and metabolism(新陈代谢). It is sometimes called the “sunshine vitamin” because it’s produced in your skin in response to sunlight.

Vitamin D can help bones and muscles grow strong and healthy. If a person is short of vitamin D，he or she may have problems like rickets(佝偻病) and osteoporosis．Rickets is mainly found in children. Osteoporosis，the thinning of bone，is a common problem as people get older. Studies in these years have found that vitamin D may also have other uses. If someone is short of vitamin D, he may have heart problems or die from some cancers.

The easiest way to get vitamin D is from sunlight. But many people worry about getting skin cancer and skin damage from the sun. Also, even skin color has an influence. Darker skinned people get less vitamin D than lighter skinned people. Older people get less vitamin D than younger people. You can also get it from foods. Some food such as cheese and egg yolks (蛋黄) have some vitamin D．But most of vitamin D in the American diet comes from food like milk with the vitamin added.

Now more doctors are testing for vitamin D in their patients. However, some doctors worry that if people take too much vitamin D, it might be bad for their body. At the same time, skin doctors tell people to be careful with strong sunlight.

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高二英语概要写作中等难度题查看答案及解析

阅读下面短文，根据其内容写一篇60词左右的内容概要。

Of the thousands of different kinds of animals that exist in the world man has learned to make friends with an enormous number. Some are pets，and offer him companionship; some give protection，and some do hard work which man cannot do for himself. Dogs，which serve man in all three capacities，are found in various species in all countries of the world. The Husky can live in the cold polar regions，and the Saluki is at home in the hottest parts of Central Africa. The people of certain countries are dependent for their very lives on the camel. In the West Indies the little donkey，strong and sure－footed，carrying heavy loads even in mountainous places，is a familiar sight.

Trained and tamed for many generations，domestic (驯养的)animals are not accustomed to wandering in search of food and shelter. They look to their masters to provide for their needs，and as long as these are supplied，they are content to do what their masters require.

All domestic animals need proper food. It must be suitable for them，enough in quantity，fresh and clean. Some people feed a pet dog or cat on odds and ends of table scraps (吃剩的东西)，and then wonder why the animal seems tired and dull. The quantity of food depends on the size of the animal and the amount of exercise it takes. Overfeeding is as bad as underfeeding. Containers for food and water must be washed regularly if the animal is to maintain good health.

Even well－cared for animals may sometimes fall ill. If this happens，the wise master seeks the best advice he can get. All sorts of medicines and treatments are available for sick animals，and in some countries organizations exist to provide them free or at a cheap price. Useful，friendly，hardworking animals deserve to have some time and money spent on their health.

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高二英语概要写作困难题查看答案及解析

第五部分 书面表达（满分20分）

阅读下面短文，根据其内容写一篇60词左右的内容概要。

Like many students, Ryan believes that the time and money spent on his education will pay off: he will eventually be able to get a good job and do well in the field he has chosen. Yet, in spite of all of the years spent in school preparing to enter the workplace, many recent graduates say that they struggle with the shift from classroom to career world and have difficulty adjusting to life on the job.

Writer and editor Joseph Lewis suggests one reason why this is the case.Lewis believes that most of our school experiences--from childhood through university-- are fairly predictable, while life in the working world is far more uncertain.In school,for example,the.pattern stays more or less the same from year to year. In the workplace, however, constant change is the norm, and one has to adapt quickly.

Another problem that graduates entering the workforce encounter is that they are unprepared to think analytically. In school, many students, including those in college, spend a lot of time memorizing facts and repeating what they“learned”on tests.But in the workplace employees“are often expected to think critically and make decisions about their work, not just follow a supervisor's instructions.” Less time needs to be spent in school on testing, says one recent report, and more on helping students to analyze and interpret information,solve problems,and communicate their ideas effectively--skills that will prepare them to succeed in today’s workplace.

Finally many recent graduates say that one of the biggest difficulties they face is adapting to teamwork on the job. In the workplace, employees must regularly interact with others and are often dependent on their co-workers for their success. In other words, if an employee has to work with others to complete a given project, that employee's success not only depends on his hard work and expertise(专业知识), but also on how well his colleagues perform.Knowing how to participate in teamwork--and deal with problems when they arise--is extremely important, and yet, it is also something many students didn’t get quite exposed to in a school setting.

How can we better prepare young adults for the workplace? Recent graduates, looking back on their educational experience, have some advice. Many think that all students should be required to do an internship(实习) while they are in school. Volunteering part time at a company, hospital, or government organization, for example, can help one gain experience and learn skills needed to succeed in the real world.Pairing this kind of practical work experience with classroom instruction, say the graduates, will help prepare students for the realities of the workplace and make the transition from school to career world less stressful.

高二英语概要写作困难题查看答案及解析

阅读下面短文，根据其内容写一篇60词左右的内容概要。

A new study warns that about thirty percent of the world’s people may not have enough　 water by the year 2025．

A private American organization called Population Action International(PAI) did the new　 study．It says more than 335 million people lack enough water now．The people live in 28　 countries．Most of the countries are in Africa or the Middle East．

PAI researcher Robert Engelman says by the year 2025，about 3，000 million people may lack water．At least 18 more countries are expected to have severe water problems．The demand for water keeps increasing．Yet the amount of water on Earth stays the same．

Mr．Engelman says the population in countries that lack water is growing faster than in other parts of the world．He says population growth in these countries will continue to increase．

The　 report says lack of water in the future may result in several problems．It may increase health problems．Lack of water often means drinking waters is not safe．Mr．Engelman says there are problems all over the world because of diseases，such as cholera which are carried in water．

Lack of water may also result in more international conflict．Countries may have to compete for water in the future．Some countries now get sixty percent of their fresh water from other countries．And the report says lack of water would affect the ability to improve their economies．This is because new industries often need large amounts of water when they are beginning．

The Population Action International study gives several solutions to the water problem．One way，it says，is to find ways to use water for more than one purpose．Another way is to teach people to be careful not to waste water．A third way is to use less water for agriculture．

The report also says long--term solutions to the water problem must include controls on population growth．

高二英语语法填空中等难度题查看答案及解析

阅读下面短文，根据其内容写一篇60词左右的内容概要。

A recent UN report shows that many of us are working longer and harder than ever. In the past, employees worked eight or nine hours a day. Today, however, many companies expect their employees to work longer. In addition, the boundary between work and personal life has become less clear. If we are not working in the office, we might be working at home. We are required to be on call whenever our company needs us. In short, we are all working and having less time with family and friends.

This over-emphasis (过分强调) on work can lead to serious problems in our personal lives. The more time we spend at work, the less time there is available for maintaining relationships with our friends and family. Many of us spend so much time on the job that we hardly ever get to see our partners or children. When we do get home, we are often tired and lack the energy to spend time doing what we really enjoy.

There are, however, a number of ways in which we can regain control of our lives and correct the work-life balance. First of all, workers, especially those employed in offices, have to realize that work is rarely finished. In other words, taking work home does not usually decrease the amount of work. As one task finishes, another one appears. This means that, unless there is a strict deadline, work should stay at work.

Another way to regain a work-life balance is to plan your free time. Most of us spend a lot of time planning our working week. Few of us put the same effort into organizing our leisure time. However, if we don’t have a plan, there is a danger that we will miss out on the things that we really enjoy doing. So, if you like going to the cinema, make sure that you go regularly. Write it in your diary. If you enjoy having friends visit, plan a time and write that in your diary too. It’s all too easy to let your precious time slip away.

高二英语概要写作困难题查看答案及解析