Bob is a thirty-year-old man. He lives in{#blank#}1{#/blank#}（中国）. He is a tour guide（导游）. He often takes the travelers to visit beautiful places by {#blank#}2{#/blank#}（飞机）. He loves his job. He is never

    {#blank#}3{#/blank#}（迟到的）for work. But he is very busy every day. He has no time to clean his room. He puts his things{#blank#}4{#/blank#}（到处）.  His room is not {#blank#}5{#/blank#}（整洁的）.  He can't {#blank#}6{#/blank#}（找到）his things easily. So he will {#blank#}7{#/blank#}（请求）his roommate for {#blank#}8{#/blank#}（帮助）.   On weekends, he doesn't clean his house. Because he likes sitting on his{#blank#}9{#/blank#} （椅子）and drinking tea. He thinks it's{#blank#}10{#/blank#}（轻松的）.

    Some students are talking about the inventions.

    Lucy: The telephone was invented by Alexander Graham Bell. He was born in 1847. In 1875, Mr. Bell learnt how to send {#blank#}1{#/blank#}（音乐的）notes through an {#blank#}2{#/blank#}（仪器）similar to a telephone. Finally he invented the telephone in 1876.Today the telephone is used around the world.

    Jin Long: The abacus is an {#blank#}3{#/blank#}（古老的，古代的） invention, but we still use it today. It was invented a few {#blank#}4{#/blank#}（世纪） ago. Though China is a {#blank#}5{#/blank#}（发展） country now. I am proud of being a Chinese.

    Tom: I think the invention of basketball is the best. Because I like basketball and I think it is an {#blank#}6{#/blank#}（活泼的, 积极的） sport. When we play basketball, we should {#blank#}7{#/blank#}（分开） into two groups. Players on the same team must work together to get the ball into the other team's {#blank#}8{#/blank#}（篮筐）. At the same time, they need to stop the competing team from getting the ball into their {#blank#}9{#/blank#}（自己的） basket. It was invented by a {#blank#}10{#/blank#}（加拿大人） called James Naismith.