One day, about ten years ago, while working at the cash register (收银机) in the gift shop at my University Museum of Natural History, I saw {#blank#}1{#/blank#} elderly couple come in with a little girl in a wheelchair. As I looked {#blank#}2{#/blank#}(close) at this girl, I found that she was fixed on her chair. I then realized she had no arms or legs, just a head, a neck and upper body,{#blank#}3{#/blank#} (dress) in a little white skirt. As the couple wheeled her up to me, I turned my head toward the girl. When I took the money from her grandparents, I looked back {#blank#}4{#/blank#} the girl, who was giving me the most optimistic, largest smile I had ever seen. All of a sudden, her handicap (障碍) was gone and all I saw was this beautiful girl,{#blank#}5{#/blank#}smile just melted me {#blank#}6{#/blank#}almost instantly gave me a completely new sense of {#blank#}7{#/blank#}life is all about. She took me from a poor, unhappy college student and {#blank#}8{#/blank#}(bring) me into her world; a world of smiles, love and {#blank#}9{#/blank#}(warm). I'm a successful business man now and whenever I think about the troubles of the world, I think about that little girl and the remarkable (非凡的) lesson about life that she taught {#blank#}10{#/blank#}.

    The Spring Festival is{#blank#}1{#/blank#}most important festival in China. It is meant{#blank#}2{#/blank#}(celebrate) the lunar calendar's new year. During the Spring Festival, families get together and have a big meal in many place.{#blank#}3{#/blank#}many people like best is setting off fireworks, which is one of the most popular activities during the festival, though it may cause air pollution. Dumplings are the most{#blank#}4{#/blank#}(tradition) food. Children are fond{#blank#}5{#/blank#}the festival very much, when they can have delicious food and wear new clothes. They can also get some money from their parents,{#blank#}6{#/blank#}Is given to children for good luck. People put new year scrolls (春联) on the wall for good fortune. The Spring Festival{#blank#}7{#/blank#}(last) about 15 days long when people visit relatives and friends{#blank#}8{#/blank#}(happy) with the words "Best wishes". Nowadays more and more people are enjoying the Spring Festival around the world. People hold the{#blank#}9{#/blank#}(believe) that the Spring Festival and other traditional Chinese festivals will not{#blank#}10{#/blank#}(replace)by the foreign festivals like Christmas.

    No matter where you are, humans are constantly measuring and checking time. Some of us are good at it—planning and doing things ahead of time,{#blank#}1{#/blank#}others are always trying to beat the clock and do things at the eleventh hour.

    Tardiness (拖拉) can be serious. If you{#blank#}2{#/blank#}(be) one minute late for work, would you resign? It may sound extreme, but that is exactly {#blank#}3{#/blank#}occurred in the UK upper chamber of parliament, the House of Lords, in January 2018. International development minister Lord Bates arrived one minute late, and, as a result, was unable to answer a {#blank#}4{#/blank#}(schedule) question. Instead of trying {#blank#}5{#/blank#} (make) up for lost time, as many might do, he resigned on {#blank#}6{#/blank#}spot. He apologized for his discourtesy (无礼) and stated that he was ashamed. His resignation, though.{#blank#}7{#/blank#} (reject) by the UK prime minister.

    So, how late is too late? Many cultures take punctuality very seriously. In contrast, others seem to view tardiness{#blank#}8{#/blank#} just the normal way of things. What is considered acceptable is based on culture. That is, if you don't mind waiting, it might be best to attend your{#blank#}9{#/blank#} (appoint) in good time. And if the worst comes to the worst, remember the old English proverb.{#blank#}10{#/blank#} (well) late than never.”

    As populations increased in large cities in {#blank#}1{#/blank#} nineteenth century, building subway lines was a way {#blank#}2{#/blank#}(move) people from one area of a city to another quickly and efficiently. The first major subway system, the London Underground, {#blank#}3{#/blank#}(start) in 1873 using steam trains. Subways caught on quickly in London. From 1896, it was changed in favor of an electrical system. Today's subways around the world now work on {#blank#}4{#/blank#}(electrical). Passengers can rely on the regular schedule of subway trains while {#blank#}5{#/blank#}(avoid) traffic on busy city streets.

    Two of the world's earliest subways were built in Paris and New York. When the Paris Metro opened on July 19, 1900, citizens were proud of the {#blank#}6{#/blank#}(impress) and beautifully decorated station entrances.{#blank#}7{#/blank#} the first New York subway consisted {#blank#}8{#/blank#} only 14.5 kilometers of track in 1904, today, it is the world's largest subway system.

    Today, subways are still popular with passengers. The Tokyo subway is the {#blank#}9{#/blank#}(busy) in the world, with 3.2 billion riders a year. Close behind {#blank#}10{#/blank#}(be) subways in Moscow(2.4 billion), Seoul (2.1 billion), and New York City (1.6 billion).

    Young people{#blank#}1{#/blank#} (bear) in 1995 or later have another name in English——Generation Z.

    Now entering adulthood and soon to join the workforce, Generation Z grew up in a special period of time when technology developed fast and the Internet became{#blank#}2{#/blank#} (universe).

    It {#blank#}3{#/blank#} (believe) that Generation Z is the generation that is going to shape our future,{#blank#}4{#/blank#} is why policy makers are trying{#blank#}5{#/blank#} (he) best to understand these young people. Most people agree that biggest difference between Generation Z and other generations is how connected they are. This is a group of people who have been familiar{#blank#}6{#/blank#} social media as soon as they came to the world. It may be true that Generation Z-ers have a shorter attention span(持续时间){#blank#}7{#/blank#} a goldfish does, but since they grew up among social changes, they are more active in{#blank#}8{#/blank#} (political).

    Generation Z-ers are also culture creators.{#blank#}9{#/blank#} (grow) up with the Internet has freed this generation from traditional cultural expression. These young people never{#blank#}10{#/blank#} (willing) let their creativity be limited by their parents or traditional rules.

    A black hole is a spot in space that has{#blank#}1{#/blank#}(power) gravity. Its gravity is so strong that it pulls everything nearby into it, stars, planets and other things. Black holes form when a star dies. When that happens, a huge amount of matter crowds into a very small space,{#blank#}2{#/blank#}becomes very dense. Black holes{#blank#}3{#/blank#}(talk) about in 1783 first. That year, one scientist said that in the universe, there might be places with strong gravity to trap light, although he didn't use the term "black hole".