根据短文内容，从短文后的七个选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

    Most drinks stating that they are fruit-flavored (水果味道的) contain no fruit at all, while most of the rest contain only a small quantity of fruit, according to a study carried by the British Food Commission.

    “Shoppers need to check the labels (标签) before buying drinks, though sometimes the actual content can be non-existent,” said Food Commission spokesperson Ian Tokelove. “Food production is highly competitive. {#blank#}1{#/blank#} It will increase profits, and consumers won't always realize they are being tricked.”

    Flavorings are focused on the flavors of natural food products such as fruits, meats and vegetables, or creating flavor for food products that do not have the desired flavors. Researchers analyzed the contents of 28 strawberry-flavored products sold in stores. {#blank#}2{#/blank#} Of the 11 products that did contain strawberries, five of them contained less than one percent real fruit. In addition, each juice box contained nearly eight teaspoons of sugar.

    {#blank#}3{#/blank#} Let's take jam as an example. Some strawberry-flavored jam was labeled as containing no artificial colors, flavors, or sweeteners, but it contained absolutely no strawberries at all.

    {#blank#}4{#/blank#} Consumers have the rights to know clearly about what they have bought. Under current UK law, food packages do not have to distinguish between natural and artificial flavoring. “Describing a product as strawberry flavor and covering the surface of the packet with pictures of strawberries is misleading. {#blank#}5{#/blank#} Unfortunatly, it is also legal and widespread,” Tokelove said. “It's time to take measures to protect the consumers' rights.”

You must have written your research paper, your personal essay, your book review—-whatever your school class requires. You think you have provided good information in the needed number of words.{#blank#}1{#/blank#}

    But is it really done? Many teachers and professional writers believe that writing is revision.{#blank#}2{#/blank#}

Revision of writing is a necessary skill for students. The classroom is a good place to practice patience, concentration and listening. There are rewards with spending time with your thoughts and really taking time to compose your ideas in an orderly and reasonable way. You should put away your paper after you have written a first version, or draft. Wait several hours, maybe overnight, before working on it more.{#blank#}3{#/blank#} Not only are you refreshed, but you're looking at things through different eyes. That's what revision literally means—to see again through different eyes.

Following a four-step process may help you with your paper. The first step in the process is invention. It includes forming many questions about your subject. It is called “question-storming”.{#blank#}4{#/blank#}Then comes the revision period. Take your time to read what you've written, to think about it, and maybe to re-shape it based on what you see now, as a kind of new person looking at it with a reader's eyeglasses rather than a writer's. The fourth step is called “publication”.{#blank#}5{#/blank#}In a sense, anytime you turn it over to another person, that's publication.

    Probably, the process takes away some of the tension of writing. And worry about the quality of your writing often disappears when you share that writing.

    The following skills can be greatly helpful to make you an effective learner.

Find the right hours.{#blank#}1{#/blank#}It's better to get a good night's sleep after studying for a short time than to push on at two in the morning.  You won't remember much and are likely to see a performance drop the next day.

    Start as early as possible. Cramming（填鸭式的用功）the night before is proven to be ineffective.{#blank#}2{#/blank#}Studying before and going over it many times really is the best way to learn the material.  Always study when you have the chance, even for 15 or 20 minutes. These short study periods add up fast l

    {#blank#}3{#/blank#} If you're a visual learner, using pictures can help. Auditory（听觉的）learners should record themselves saying notes and recite it afterwards. If you are a physical person, speak to yourself (out loud) while also using your hands or moving around.

    Adjust your learning ways to fit your subjects. Subjects like math require a lot of practice with problem sets in order to become familiar with the processes required.{#blank#}4{#/blank#} In order to actually learn, you need to take an active role in knowledge creation as well as information review.

    Ask for help. If you need help, ask someone who is good at these subjects.  {#blank#}5{#/blank#} If you don't understand what the person helping you is communicating, don't be afraid to ask them to explain in detail.

A. Study for your learning style.

B. Study for what you are good at.

C. Don't study when you're really tired.

D. In fact, you'll hardly remember anything.

E. This way it will be easier for you to memorize.

F. Friends, family, tutors, and teachers are all good options.

G. Subjects such as history may require more information memorization.

    Air pollution is a killer. The World Health Organization says it kills an estimated seven million people around the world each year.{#blank#}1{#/blank#} , it can make us very sick.

    However, breathing dirty air may do more than hurt your body.{#blank#}2{#/blank#} .A new study shows that air pollution can cause a “huge” reduction in our intelligence. The researchers reposed that long-time exposure to air pollution can affect a person's mental abilities in two areas: language and mathematics.

    {#blank#}3{#/blank#} .Between 2010 and 2014, these Chinese men, women and children were given language and math tests. Then they compared the test results with measurements of pollution in the air, namely nitrogen dioxide and sulfur dioxide, and found that breathing polluted air can reduce a person's education level by about one year.

    It has found that the effect generally is worse for those over 64 years of age, for men and for those with little or no education.

    “{#blank#}4{#/blank#} .And we find, quite interestingly, males are more affected than females. And people working outdoors are more affected than people working indoors, ”one of researchers said.

    He noted that the youngest people in the study were 10 years old, while the oldest was 90.They came from 25 of China'S 33 provinces.{#blank#}5{#/blank#}.

    The researchers also noted that the effect of pollution on verbal ability is even more serious as people age, especially among men and the less educated.

A. Even if polluted air does not kill us

B. The elderly people are more affected

C. Therefore, some measures should be taken

D. Air pollution is one of the major problems of China

E. It can also affect your brain and your ability to think

F. The researchers studied about 25, 000 people across China

G. This range of ages and locations provided a “good representative sample”

    A volunteering vacation can be a meaningful way to spend your time off, but to make the trip satisfying both for you and the cause you are supporting, several factors need to be considered. Here is some advice on planning the satisfactory vacation:

    {#blank#}1{#/blank#} There are hundreds of causes to volunteer for, and finding one close to your heart will lead to a more worthwhile trip. Possibilities include wildlife conservation, education, environmental protection, health and nutrition. Also, consider any personal and professional skills that you can contribute. {#blank#}2{#/blank#}

    Choose your destination and setting. Your volunteering trip will be more enjoyable if you use it to reach a favorite destination. Southeast Asia is on your mind, helping with tree­planting programs in Bali would benefit the environment and let you appreciate the scenic island.{#blank#}3{#/blank#} Is volunteering outdoors in a hot or snowy climate attractive, or do you prefer being in an air­conditioned office?

    Ask the right questions.{#blank#}4{#/blank#} Be aware that most volunteering programs require a week-long stay. Ask other questions like: How many hours of work per day is required? Are there days off? Will you be working individually or as part of a team? And what are the goals of your efforts? {#blank#}5{#/blank#} Ask if the cost includes only accommodations(住宿)or meals and transportation too.

A. Your duty there is to rest and play.

B. Find a well­respected organization.

C. And think about the surroundings you want.

D. Figure out your cause.

E. Despite the word "volunteer", these vacations usually cost you some money.

F. The more you know about your trip, the more successful it will be.

G. If you're a doctor, for example, working at a health clinic could be an ideal fit.

    To an outsider, any culture can seem confusing. And the UK's got a thing or two that raises a few eyebrows. However, understand the why and things might be less puzzling. {#blank#}1{#/blank#}.

    In a world where 61％of nations drive on the right, Brits drive on the left. Why? Most people think it goes back to Medieval, maybe even Roman times. {#blank#}2{#/blank#} when you remember that right-handed people wear a sword on their left hip. Travelling on the left allowed you to keep your weapon arm toward your opponent, who would be on your right. This practice continued until the 18th century when a law was passed requiring all traffic crossing London Bridge to keep to the left.

    Visitors to the UK that have just washed their hands in an old-fashioned sink might be wondering why one tap is only for hot water, the other cold. {#blank#}3{#/blank#}. So, why this oddity? It relates to a time when hot and cold water were kept separate to prevent pollution. Drinkable cold water came from a mains supply, but hot water came from attic tanks and was not considered suitable for consumption. So they were kept apart.

    Millions of people drink tea worldwide, but the odd Brits put milk in theirs. Why? This mysterious practice relates to the quality of china cup used in the 18th century when tea was first imposed. For the majority of Brits, the cups available couldn't stand the heat of the boiling water and would break, so milk was added first. {#blank#}4{#/blank#}. And this practical tweak soon became a national habit.

    {#blank#}5{#/blank#}. As you can see, these odd Brits have perfectly clear reasons for left-hand driving, two-tap sinks and tea with milk. Even if they still seem strange, at least now you're in the know.

A. This makes it difficult to improve

B. There is a method to the madness

C. This unusual behavior makes sense

D. You can know the origins of the practices

E. Either can make washing very uncomfortable

F. This cooled the cup enough to resist the boiling water

G. Here are the reasons for three of Britain's more puzzling practices