There are two factors {#blank#}1{#/blank#}(determine) an individual's intelligence. The first is thesort of brain he is born {#blank#}2{#/blank#}. Human brains differ {#blank#}3{#/blank#}(consider), some beingmore capable than others.

{#blank#}4{#/blank#}howevergood a brain he has to begin with, an individual will have a low intelligenceunless he has opportunities to learn. So the second factor is what happens tothe individual—the sort of environment {#blank#}5{#/blank#} he is brought up. If an individualis handicapped(受阻碍)environmentally, itis {#blank#}6{#/blank#}(like) that his brain will fail to develop and he will never attain thelevel of intelligence of which he is capable.

        Theimportance of environment in determining an individual's intelligence can{#blank#}7{#/blank#}(show) by the case of the twins, Peter and Mark. When the twins were threemonths old, {#blank#}8{#/blank#}parents died, andthey were placed in separate foster homes. Peter was brought up by parents oflow intelligence with poor {#blank#}9{#/blank#}(education) opportunities. Mark was educated inthe home of well­to­do parents {#blank#}10{#/blank#} had been to college. This environmentaldifference continued until the twins were in their late teens, when they weregiven tests to measure their intelligence. Mark's I．Q. was 125, twenty­five points higherthan the average and fully forty points higher than his twin brother.

    BEIJING—World－renowned Oxford and Cambridge have come to China to attract top－rank postgraduate students in cooperation with the China Scholarship Council.

    Oxford made its first {#blank#}1{#/blank#} (appear) at the China Scholarship Council's annual International Graduate Scholarship Fair,{#blank#}2{#/blank#} opened on Saturday in Beijing. The school wants to encourage excellent Chinese students to consider {#blank#}3{#/blank#} Oxford can offer for their academic and professional careers.

    “The students{#blank#}4{#/blank#} (come) well－prepared with specific questions and were serious about the chance,”said Sherwood,director of graduate admissions and funding at Oxford,who will make {#blank#}5{#/blank#} two stops for the fair in Wuhan and Shanghai.

    The University of Cambridge has attended the fair since{#blank#}6{#/blank#} first session in 2009,and stresses that it would continue to invest to train students to be problem solvers.

    {#blank#}7{#/blank#} Cambridge and Oxford present at the fair in competition for {#blank#}8{#/blank#} best and brightest,Osterfield and Sherwood agree that the two universities {#blank#}9{#/blank#} (usual) have more interest in cooperation {#blank#}10{#/blank#} competition,except in their traditional annual boat race.

    Jean Little who was born in Taiwan, China, has been living in Canada since the age of seven. In spit of the challenge of{#blank#}1{#/blank#}(she) blindness. Jean began writing as a child and has never stopped. despite{#blank#}2{#/blank#}(limit) vision, she attended regular school {#blank#}3{#/blank#}graduated in 1955 from the University of Toronto with an Honors Degree in English. She taught special need children until 1962. That year, her first book, Mine for Keeps, {#blank#}4{#/blank#}(win)the Little Brown Children's Book Award and since then Jean has written 50 books, {#blank#}5{#/blank#} (include)novels, picture books, autobiography, poetry and short stories, among {#blank#}6{#/blank#}are some of Canada's best-loved works for children, such as Dancing Through the Snow, Mama's Going to Buy You a Mockingbird, Listen for the Singing. Her books {#blank#}7{#/blank#}(translate) into a dozen languages so far and have won many awards.

    In addition {#blank#}8{#/blank#}all her awards, she has received six honorary degrees and is a member of the Order of Canada for her outstanding {#blank#}9{#/blank#}(contribute) Canadian children's literature, and {#blank#}10{#/blank#}(recent) she won the Queen's Diamond Jubilee Medal.

    Reading benefits us a lot. First, reading books{#blank#}1{#/blank#} (be) fun. You can always keep yourself{#blank#}2{#/blank#} (interest) and it can help you have an enjoyable time if you like reading. This is especially useful when the weather is bad. It is a(n) {#blank#}3{#/blank#} (relax) hobby too.

    Next, you can read a book anywhere: in a car, on a plane, in bed—even in the bath. {#blank#}4{#/blank#} you need is a book! Reading is a convenient hobby as it is easy to stop and start again.

    Another good reason for reading books is{#blank#}5{#/blank#} it is useful. If you read as a hobby you{#blank#}6{#/blank#} (get) better and better at it. This means that you will read faster and become {#blank#}7{#/blank#}( better)at understanding what you read. As your reading improves, you will probable find your schoolwork becomes much easy. Many school subjects depend {#blank#}8{#/blank#} good reading and, as you read you learn more and more.

    Good readers are most likely to be good{#blank#}9{#/blank#} (write), too．They are usually good at {#blank#}10{#/blank#}(spelling) as well, and have more things to write. Reading books is really a wonderful hobby.

    My wife is addicted to shopping on the Internet. {#blank#}1{#/blank#} seems that she can't control herself well, just clicking constantly with the mouse. Let me tell you what happened last night. It was the fourth time she {#blank#}2{#/blank#}(shop) online for hours. I had already reminded her {#blank#}3{#/blank#}(think) twice before buying anything, but my wife ignored {#blank#}4{#/blank#}I said and replied confidently, “With the New Year {#blank#}5{#/blank#}(approach)”, preparation is necessary. Besides, I haven't bought things on the Internet for a whole week.” Hearing her words, I was really speechless. In most cases, the things she bought aren't good value for money. Maybe she just enjoys {#blank#}6{#/blank#}process of buying online.

    Nowadays, {#blank#}7{#/blank#} the development of technology, online shopping is becoming more and more convenient. Those {#blank#}8{#/blank#}stay at home can buy whatever they want. In the meanwhile, it causes a series of problems. One of them {#blank#}9{#/blank#}(be) more spending than before, because people are {#blank#}10{#/blank#}(easy) attracted by the discount. So how to keep a good state of mind in front of temptation（诱惑）is an important lesson many people need to learn.

    Polar bears are suffering in a {#blank#}1{#/blank#} (warm) world.

    Polar bears live in environments too cold for most animals. {#blank#}2{#/blank#} much of the year, they live and hunt on the frozen Arctic sea ice. Nature has prepared {#blank#}3{#/blank#} for the cold conditions. But nothing has prepared the bears for the danger that {#blank#}4{#/blank#} (threat)the only home they know.

    The polar bears' world is melting. Studies show that the polar ice has reduced by 9.8% every 10 years {#blank#}5{#/blank#} 1978. Now about 20,000 to 25,000 polar bears live in the Arctic. Polar bears depend on the sea ice for their {#blank#}6{#/blank#}． (survive). “The sea ice is more than just this platform that the bears walk over,” says Andrew Derocher, {#blank#}7{#/blank#} scientist who studies North American polar bear populations. “{#blank#}8{#/blank#}  it, they can't exist.”

    Some melting and refreezing of the polar ice is natural. {#blank#}9{#/blank#} in a warmer world, these cycles speed up, and bears have less time to hunt. Normally, they have three months in the spring when they gain more weight. The extra fat is used later, {#blank#}10{#/blank#} the bears are not actively hunting.