根据短文内容，从下列A-F选项中选出能概括每一段主题的最佳选项。 选项中有一项为多余项。
| A. Wash yourself as often as possible B. Avoid being in hot sun C. Keep away from smoke and alcohol D. The importance of skin E. Have a balanced diet F. Be sure to have enough water |
__________
When it comes to your skin, there is an important fact that you must keep in mind: Your skin is the largest organ of your body. Therefore, skin health and protection is crucial. Your skin does everything for you. It can keep your body hydrated and regulate your body’s temperature.
Now, here are some helpful tips for you to protect your skin:________
Protection against harmful rays from the sun is one of the most important steps that you need to take. With this in mind it is necessary for you to avoid strong sunlight as often as possible. As for sunscreen you need to buy products that contain UVA-1, UVA-2 and UVB protection._______
Your diet also has a direct impact on the health of your skin. The most important aspect of your diet in relation to the health of your skin is to make certain that you eat a proper amount of food items that contain the proteins and nutrients necessary for cellular maintenance, repair and regeneration._________
Water is also important to the health of your skin. While you certainly have heard it before, it actually is true that you should drink at least eight 8-ounce glasses of fresh water every day. There are many health benefits to be derived from drinking water daily, including maintaining healthy skin.________
Finally, when it comes to the health of your skin today and into the future you should avoid smoking all together. In addition, you should drink alcohol only in moderation. Both smoking and excessive alcohol consumption can negatively impact the health of your skin in significant ways.
Some students get so nervous before a test; they do poorly even if they know the material. Sian Beilock has studied these highly anxious test-takers.
Sian Beilock: “They start worrying about the consequences. They might even start worrying about whether this exam is going to prevent them from getting into the college they want. And when we worry，it actually uses up attention and memory resources. I talk about it as your cognitive horsepower that you could otherwise be using to focus on the exam.”
Professor Beilock and another researcher，Gerardo Ramirez，have developed a possible solution. Just before an exam，highly anxious test-takers spend ten minutes writing about their worries about the test.
Sian Beilock: “What we think happens is when students put it down on paper，they think about the worst that could happen and they reappraise the situation. They might realize it’s not as bad as they might think it was before and，in essence(本质上)，it prevents these thoughts from popping up when they’re actually taking a test.”
The researchers tested the idea on a group of twenty anxious college students. They gave them two short math tests. After the first one, they asked the students to either sit quietly or write about their feelings about the upcoming second test.
The researchers added to the pressure. They told the students that those who did well on the second test would get money. They also told them that their performance would affect other students as part of a team effort.
Professor Beilock says those who sat quietly scored an average of twelve percent worse on the second test. But the students who had written about their fears improved their performance by an average of five percent.
Next, the researchers used younger students in a biology class. They told them before final exams either to write about their feelings or to think about things unrelated to the test.
Prefessor Beilock says highly anxious students who did the writing got an average grade of B+，compared to a B－ for those who did not.
Sian Beilock: “What we showed is that for students who are highly test-anxious，who’d done our writing intervention(排解)，all of a sudden there was no relationship between test anxiety and performance. Those students most likely to worry were performing just as well as their classmates who don’t normally get nervous in these testing situations.”
But what if students do not have a chance to write about their fears immediately before an exam or presentation? Professor Beilock says students can try it themselves at home or in the library and still improve their performance.Which of the following is TRUE?
| A．The result in the math test agrees with that in the biology test. |
| B．In the first math test, students who sat quietly performed better. |
| C．In the second math test, students who wrote about their feelings did worse. |
| D．Some college students are highly anxious test-takers while others are not in the tests. |
What may happen if students have the problem of test anxiety?
| A．Test anxiety is sure to cause students to fail the test. |
| B．Test anxiety can improve students’ performance to some degree. |
| C．Students’ attention and memory resources run out when worried. |
| D．Students may not be admitted into their favorite college if worried |
The result of the research suggests that ________．
| A．proper amount of burden may turn out to be a good thing |
| B．facing the fears bravely may help one to achieve more |
| C．avoiding facing the problem may contribute to relaxation |
| D．taking no action before difficulty may result in success |
What is the main idea of the passage?
| A．It is important for students to overcome test anxiety. |
| B．Anxious students overcome test anxiety by writing down fears. |
| C．It is a common practice for students being worried before a test. |
| D．Being worried before tests does harm to students’ performance. |
Why play games? Because they are fun, and a lot more besides, following the rules, planning your next move, acting as a team member…. These are all “game” ideas that you will come across throughout your life.
Think about some of the games you played as a young child, such as rope-jumping and hide-and-seek. Such games are entertaining and fun. But perhaps more importantly, they translate life into exciting dramas that teach children some of the basic rules they will be expected to follow the rest of their lives, such as taking turns and cooperating.
Many children’s games have a practical side. Children around the world play games that prepare them for work they will do as grown-ups. For instance, some Saudi Arabian children play a game called bones，which sharpens the hand-eye coordination（协调）needed in hunting.
Many sports encourage national or local pride. The most famous games of all, the Olympic Games, bring athletes from around the world together to take part in friendly competition. People who watch the event wave flags, knowing that a gold medal is a win for an entire country, not just the athlete who earned it. For countries experiencing natural disasters or war, an Olympic win can mean so much.
Sports are also an event that unites people. Soccer is the most popular sport in the world. People on all continents play it—some for fun and some for a living. Nicolette Iribarne, a Californian soccer player, has discovered a way to spread hope through soccer. He created a foundation to provide poor children with not only soccer balls but also a promising future.
Next time you play your favorite game or sport, think about why you enjoy it, what skills are needed, and whether these skills will help you in other aspects of your life.Through playing hide-and-seek, children are expected to learn to _____.
| A．be a team leader | B．act as a grown-up |
| C．obey the basic rules | D．predict possible danger |
The underlined part in Paragraph 2 most probably means that games can_____.
| A．describe life in an exciting way |
| B．turn real-life experiences into a play |
| C．change people’s views of sporting events |
| D．make learning life skills more interesting |
According to the passage, why is winning Olympic medals so encouraging?
| A．It proves the exceptional skills of the winners. |
| B．It inspires people’s deep love for the country. |
| C．It helps the country out of natural disasters. |
| D．It earns the winners fame and fortune. |
Iribarne’s goal of forming the foundation is to _______.
| A．bring fun to poor kids |
| B．provide soccer balls for children |
| C．give poor kids a chance for a better life |
| D．appeal to soccer players to help poor kids |
Nuclear power’s danger to health, safety, and even life itself can be summed up in one word: radiation.
Nuclear radiation has a certain mystery about it, partly because it cannot be detected by human senses. It can’t be seen or heard, or touched or tasted, even though it may be all around us. There are other things like that. For example, radio waves are all around us but we can’t detect them, sense them, without a radio receiver. Similarly, we can’t sense radioactivity without a radiation detector. But unlike common radio waves, nuclear radiation is not harmless to human beings and other living things.
At very high levels, radiation can kill an animal or human being immediately by killing masses of cells in vital organs. But even the lowest levels can do serious damage. There is no levels of radiation that is completely safe. If the radiation does not hit anything important, the damage may not be serious. This is the case when only a few cells are hit, and if they are killed immediately. Your body will replace the dead cells with healthy ones. But if the few cells are only damaged, and if they reproduce themselves, you may be in trouble. They can grow into cancer. Sometimes this does not show up for many years.
This is another reason for some of the mystery about nuclear radiation. Serious damage can be done without the victim being aware at the time that damage has occurred. A person can be irradiated（辐射）and feel fine, then die for cancer five, ten, or twenty years later as a result. Or a child can be born weak as a result of radiation absorbed by its grandparents.
Radiation can hurt us. We must know the truth. Which of the following statements is true?
| A．Nuclear radiation is just like common radio waves. |
| B．Nuclear radiation can cause cancer to human beings. |
| C．Nuclear radiation can be detected by human senses. |
| D．Nuclear radiation can be safe to human beings if its level is low. |
How can nuclear radiation kill an animal?
| A．By damaging its heart. | B．By killing a few cells. |
| C．By hitting any place in its body. | D．By killing many cells in important organs. |
If a human being is hit by nuclear radiation, he may _______.
| A．die of cancer after many years | B．die immediately |
| C．have a child who may be born weak | D．all of the above |
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What do we know about 1234 PENS?
| A．It has a history of over 30 years. |
| B．It has built up a large pen market. |
| C．It has its name printed on each pen. |
| D．It charges a low price for extra service. |
What is mainly discussed in Paragraph 3?
| A．The different types of the products. |
| B．The high quality of the products. |
| C．The trade shows of 1234 PENS. |
| D．The quick service of 1234 PENS. |
What is special about the pens produced in 1234 PENS?
| A．They are designed in 16 styles. |
| B．They come in 48 different colours. |
| C．Their material is less harmful to the earth. |
| D．Their price is much lower in the pen market. |
The main purpose of the passage is to _____.
| A．persuade people to order the products |
| B．explain the process of making logo pens |
| C．show people how to choose different pens |
| D．introduce the different services of 1234 PENS |
You might think I'd have little in common with a camel, but we do share one useful skill: both of us can go for a very long time without water. Usually I start my day with a cup of tea, and then I might have a glass of water with my lunch and one with dinner, that's about a liter of liquid in 24 hours. It feels like plenty, but apparently it's not nearly enough.
After years of suffering headaches and poor digestion I spoke to a neurologist about my regular headaches and a nutritionist about my poor digestion, and both told me I should be drinking up to three liters of liquid a day for my body to function at its best. I decided to conduct an experiment. What would happen if I drank the recommended amount every day for a month?
The photograph of me taken the day I started this trial demonstrates(展示）perfectly and rather frighteningly what a lack of hydration does to a face. I am 42, but have to admit I look more like 52 in this picture, which is shocking. There are dark shadows under and around my eyes, which make me look exhausted, a profusion of wrinkles and strange reddish blotches, and my skin lacks any luster（光泽）. It looks dead. Even my lips look shriveled（枯萎的）. This is all classic evidence of poor hydration, apparently.
Every system and function in our body depends on water. It flushes toxins from the vital organs, carries nutrients to cells, provides a moist environment for ear, nose and throat tissues, and eliminates waste.
Not drinking enough means all these functions becomes damaged. So I decided to see how I would look and feel if I drank three liters of water every day for 28 days. The results were astonishing.Which statement is Not True according to Paragraph 1?
| A．The author drinks about a liter of liquid every day. |
| B．The author has something in common with a camel. |
| C．The author thinks she drinks enough water every day. |
| D．The author actually has plenty of water in her daily life. |
Why did the author decide to drink the recommended amount of water?
| A．Because she was very fond of doing experiments. |
| B．Because she was informed of the importance of drinking enough water. |
| C．Because her doctors forced her to do it. |
| D．Because she wanted to be cured of her stomachache. |
The author’s lack of hydration caused the following physical responses Except_______.
| A．shriveled lips |
| B．enough luster of her skin |
| C．dark shadows around her eyes |
| D．wrinkles and blotches on her face |
According to the passage, the author most probably tends to tell us_________.
| A．the more water one drinks, the healthier he is |
| B．drinking water makes ladies look younger |
| C．drinking enough water is key to one’s health |
| D．it’s necessary to follow specialists instructions |
What will be probably written in the next paragraph?
| A．The author gave up the experiment. |
| B．The author had his health greatly improved. |
| C．The author suffered a lot from the experiment. |
| D．The author felt very disappointed at the result. |
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