John Snow was a famous doctor in London-so{#blank#}1{#/blank#},indeed,that he{#blank#}2{#/blank#}Queen Victoria as her personal physician. But he became{#blank#}3{#/blank#}when he thought about helping ordinary people{#blank#}4{#/blank#}to cholera.This was the deadly disease of its day.Neither its cause nor its{#blank#}5{#/blank#}was understood.So many thousands of terrified people died every time there was an outbreak.John Snow wanted to face the challenge and solve this problem.

    First there was England.Wales was{#blank#}6{#/blank#}to it in the thirteenth century.Now when people{#blank#}7{#/blank#}to England you find Wales{#blank#}8{#/blank#}as well.Next England and Wales were joined to Scotland in the seventeenth century and the name was changed to "Great Britain".Happily this was accomplished without{#blank#}9{#/blank#}when King James of Scotland became King of England and Wales as well.Finally the English government tried in the early twentieth century to form the United Kingdom by getting Ireland{#blank#}10{#/blank#}in the same peaceful way.

    More than 700 years ago, a 17-year-old Italian youth followed his father and uncle on a journey to the East, dreaming about the mysteries of China. The three set{#blank#}1{#/blank#} on a path that might have frightened even the most ambitious travellers. The young adventurer was Marco Polo.

    Having a talent for languages，Marco Polo learned to speak Mongolian and Chinese. Later under the orders of Kublai Khan, he{#blank#}2{#/blank#}(travel) far and wide across China. Along the way, he stopped {#blank#}3{#/blank#} (record) detailed notes about the local customs, geography and values of the people, so as to report back to the Khan.

    Marco Polo returned to Venice 24 years later. With{#blank#}4{#/blank#} (count) treasures brought back from the East, he became{#blank#}5{#/blank#} wealthy man overnight.{#blank#}6{#/blank#} he witnessed in China aroused much interest among his countrymen. Marco Polo's journey to China and the contents of his{#blank#}7{#/blank#} (vivid) written book, The Travels of Marco Polo, which{#blank#}8{#/blank#} (think) to be a fairy tale in Europe at the time, triggered a wave of European interest in the Orient.

    Marco Polo's story is both one about an explorer's search riches and a Westerner{#blank#}9{#/blank#} (follow) his dream to reach China. More than 700 years later, China, the once mysterious Oriental nation，is igniting the Chinese dream of many modem Marco Polos, attracted by its rapid {#blank#}10{#/blank#}(develop) and its growing importance in the world.

    What are the benefits of laughter? Laughter {#blank#}1{#/blank#}(use) as a signal for being part of a group —it signals acceptance and positive interactions with others. In fact, laughter is important, and has been shown to have many {#blank#}2{#/blank#} (benefit) effects on the human body in different ways. Just check out these health benefits of laughter.

    Boosts (增强) your immune system.{#blank#}3{#/blank#} (study) have shown that laughter boosts the immune system, increasing the number of antibody-producing T cells. This then makes us less likely{#blank#}4{#/blank#} (catch) coughs and colds. It also lowers the levels of at least four hormones (激素) which are connected with stress. So, after a good laugh you should be far less anxious.

    Improves your breathing. Laugh more and more, because laughter empties your lungs of the air {#blank#}5{#/blank#} it takes in, resulting in a cleansing effect - similar {#blank#}6{#/blank#} deep breathing. This is {#blank#}7{#/blank#} (especial) helpful for people who are suffering from asthma (哮喘).

    Protects your heart. Your heart is a muscle and, like any muscle in your body, it gets {#blank#}8{#/blank#} (strong) and functions better when exercised. Regular laughter is like{#blank#}9{#/blank#} (get) a gym membership for your heart. The study said that 15 minutes of laughter a day is as important for your heart {#blank#}10{#/blank#}30 minutes of exercise 3 times a week.

    There are {#blank#}1{#/blank#} (vary) kinds of theme parks. Some parks are famous {#blank#}2{#/blank#} having the biggest or longest roller coasters, {#blank#}3{#/blank#} for showing the famous sights and sounds of a culture. {#blank#}4{#/blank#} and whatever you like, there is a theme park for you!

    The theme park you are {#blank#}5{#/blank#} (probable) most familiar with is Disneyland. With all these attractions, no wonder {#blank#}6{#/blank#} (tour) is increasing wherever there is a Disneyland.

    Dollywood is one of {#blank#}7{#/blank#} (unique) theme parks in the world. It has one of the world's largest bald eagle {#blank#}8{#/blank#} (preserve).

    In England's Camelot Park, every area of it is {#blank#}9{#/blank#} (model) after life in the days of King Arthur and the Knights of the Round Table. There you can experience the ancient days and great {#blank#}10{#/blank#} (deed) of English knights and ladies, princes and queens.