Today I'm talking to Harry Brown．Harry once volunteered(义务)to teach in Cambodia．

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A：In 2015.1 went with some friends who also wanted to volunteer there．It was a two．month volunteer experience．

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A：I taught English twice a day at an orphanage(孤儿院):0ne class in the morning and one in the afternoon．And most nights I stayed back to watch them perform(表演)traditional dances for visitors of the orphanage．And in my free time during the day,I just played games with them．

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A：The children that I met at the orphanage．The time I spent with them was the most unforgettable(令人难忘的)part of my volunteer experience．

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A: For me，there was nothing more difficult than teaching English to children at the orphanage．I have to say,there was a really big difference in the degree(程度)of understanding from one student to the next．

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A：Special and wonderful．When I first walked through the gate of the orphanage，I knew that my two-month volunteer experience would be one that l would always remember．The children there were very,very friendly．I enjoyed every minute of my visit from teaching to playing，and dancing!

根据材料内容从方框中选择合适的句子填入材料空缺处，使材料内容完整、正确，其中有一个句子是多余的。

    Jake lives in New York with his parents．His grandparents live in Chicago．He will go to see his grandparents with Mom．They will go by plane．First，they take a bus to the airport(机场)．

    "It's my first plane trip，"he tells the bus driver．

    "That's great!"says the bus driver．

    Jake and his mom arrive at the airport and then they get on the plane at 10：50 a．m．A flight attendant(乘务员) helps them find their seats(座位)．

    "It's my first plane trip，"Jake tells the flight attendant．

    "Welcome，"says the beautiful flight attendant.

    About 20 minutes after Jake and his mom get on the plane,the plane begins to run on the runway．It's kind of noisy．Jake feels afraid．Jake takes out his panda from his bag．"It's my first plane trip，"he says quietly．

    The plane runs faster and faster(越来越快)．Then-Whoosh! Jake can see the houses look like small boxes．

    Jake isn't afraid now．"Hey,panda，a plane trip is fun，"he says．

根据材料内容简要回答下列问题。

    At present, people use money every day. It is very important in our life{#blank#}1{#/blank#}

    Long ago, people didn't need money{#blank#}2{#/blank#} As time passed, people learned to raise home animals and plant crops(庄稼). Sometimes, families produced more than they needed, so they started to trade with other families. Later, people began to use money as a way of exchange(交换).{#blank#}3{#/blank#} They used shells, salt and large stones.

    During the 7th century B．C.(公元前), people began using coins as money. They were easier to carry{#blank#}4{#/blank#}

    The Chinese were the first to use paper money, as early as the 11th century. The Italian traveler Marco Polo saw the Chinese using money when he visited China in the 1200s{#blank#}5{#/blank#}

    Today, we have many ways to pay for things. Often, a bank card is used for paying. It is safer and quicker than using a lot of paper money. Besides, proudly, Chinese always use Internet and mobile payment, such as Alipay and WeChat.

A．Do you know the history of money?

B．Instead, people still use paper money.

C．They were similar to the money at present.

D．Later, countries began to make their own coins.

E．However, it was not the kind of money we use today.

F．They lived on wild animals, fruits and other plants.

G．European countries started using paper money in the 1600s.

    A girl named Mary was killed at around 6：20 p. m. on a rainy day. Somebody found her on a street and called the police. The next day, the police got four suspects(犯罪嫌疑人). The police asked them the same question, "What were you doing at around 6：20 p. m. yesterday？"

Information Card

    On May 5^th, 2017, at Shanghai Pudong International Airport, China's first Homemade jet airliner(喷气式客机), the C919, took off successfully for the first time. It has taken about ten years for the scientists and researchers to make this Chinese dream come true. It's a pride of the whole nation. So far, more than 23 countries have already ordered 570 C919 planes from China. But we still have a long way to go before the C919 carries passengers by 2020.

    What's more, China is working on the new high-speed trains with the highest speed of 400km/h. It will be ready by 2020. Many countries, especially the ones in Central Asia, Southeast Asia, the Middle East and Eastern Europe, are planning to build high-speed rail lines or to improve their railways with the help of China.

    China has made great progress in both science and technology. And it makes a great contribution(贡献)to humans，too. All of these are changing the daily life of Chinese people，even of the people around the world.