Unit 6 When was it invented一、单项选择（20分）( )1.I bought this watch price. A.at a low B.with a low C.at a cheap D.with a cheap( )2.He met me in a busy street. A.by accident B.by mistake C.all of sudden D.without doubt( )3.Would you like some coffe,please?Yes,and please get some sugar. I prefer coffer sugar.A.to B.for C.with D.from( )4.Why do you speak in a loud voice?Because I want to make myself clearly.A.such,hear B.so, heard C.such,heard D.so, hear( )5. I am so sorry. We dont have such kind of clothes right now. Could you please come _next week? OK. A. sometime B. sometimes C. some time D. some times( )6. Have you ever read books _ by LUX? A. writingB. written C. are written D. writes( )7.A few years later,Lu Yu,“the saint of tea”,mentioned Shen Nong in his book Cha Jing. A.thousand B.thousands C.thousand of D.thousands of( )8.By accident,one of the worlds drinks was invented. A.more popular B.the most popular C.polular D.most popular( )9.Its too late. I have to go now.Oh,its raining outside. Dont leave it stops.A.since B.until C.while D.when( )10.A year has four seasons and it twelve different star signs(星座). A.divided into B.is dividing into C.dividing into D.is divided into( )11.Jessicas parents always encourage her hard. A.study B.studying C.to study D.will study( )12.Annie to the party. She had a wonderful time with us, A.invites B.is invited C.was invited D.has invited( )13.Edison was a great . He over 1,000 during his life. A.invent, invented, inventions B.inventor,invented, invention C.inventor, invented, inventions D.inventor, invents, inventions( )14.The number of books in the bookshop is about 10,000 and a number of them about science. A.is B.was C.were D.are( )15.She took my books . A.by mistaken B.by mistake C.by mistakes D.by a mistake( )16.Walk along the street and you will find the bank . A.to the end B.at the end C.on the end D.for the end( )17. John failed,he didnt give up. A.Although B.Because C.Whether D.unless( )18.The little boy the river. People nearby hurried to pull him out of it. A.fell to B.fell into C.fell off D.fell over( )19.Pizza is ready now,and it nice. Would you like some? A.smells B.feels C.sounds D./( )20.Joe was made in front of the whole class. A.dance B.danced C.to dance D.dancing二、填词（10分）61.Thanks for helping me work out the problem. A .62.The _ happened all of a sudden,but luckily the villagers were brought to a safe place.63.Please these sentences into Chinese.64. Potato chips were invented by_. 65.I met her by in a crowded bus.66.Lets ourselves into several groups.67.The rose is the flower of England.68.Zippers are very useful in our life.69. Its cold in the room. They went out of the room to enjoy the _of the sun.70. Its a _between you and me. Dont tell other people.三、句型转换 （25分）69. A boy broke the glass. The glass _ _ by a boy.70. My father bought a car last Sunday. A car _ _ last Sunday.71. Over 100 million people play basketball every day. Basketball _ _ by_ _100 million people72. When was basketball invented? Do you know?Do you know_?73. My teacher makes us finish homework on time. We were _ _ finish homework on time.74. My parents gave me a present for my birthday.A present was _ _ me for my birthday.75. People could play the game inside on a hard floor.The game _ _ _ inside on a hard floor.76. The bookcase is used for keeping books._ is the bookcase _ _?77. The zipper was invented in 1893._ _the zipper _?78. What do people use the pen to do? What _ the pen _ to do? 综合填空（10分）选词并用其正确形式填空30分nation, invent, remain, please, drink, little, rule, boil, bring, popularDid you know that tea, the76 _ drink in the world(after water), was invented by accident? Many people believe that tea was first77_ nearly 5000 years ago. According to an ancient Chinese legend, a Chinese78 _ named Shen Nong discovered tea. One day, Shen Nong was79 _ drinking water over an open fire. Some leaves from tea plants fell into the water and 80_there for some time. It produ