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            • 1．

              The bicycle is one of the ___  (1)  ____ yet most useful inventions in the world. The surprising thing is that it was not ____(  (2)  ____ earlier, although the great inventor Leonardo da Vinci(利奥纳多·达·芬奇)had drawn pictures for bicycles and also for flying machines and some other things. Those things were not produced ___  (3)  ____ long after he died.

                 A person riding a bicycle uses very little energy(能源)to make the bicycle move, and there is no pollution at all when you are riding ,Even so, in developed ____  (4)  ____, most people don't travel to work by bicycle. It is not because the bicycles are expensive or people feel ____  (5)  _____ if they ride to work. It's because ___  (6)  ____ cars on the roads becomes larger. It certainly becomes ___  (7)  ____ to ride a bicycle. As a result, more people put their bicycles away and go to work in their cars and, in this way, the situation(情形) is made worse.  ____  (8)  ____ the best way to make riding safer and more popular is to build road only for bicycles, and to make ____  (9)  ____ so difficult and expensive ____  (10)  ____ drivers to take their cars into the city that they will go back to using their bicycles.

              难度：较难
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            • 2．
              real    noisy   clean   after   work   be  area   traffic  also   live
              Many people have cars in the city．But pollution is a problem because of the （51）    ．Nowadays some downtown （市中心） areas around the world don't have cars．These car-free zones （无车区） are （52）    for people，bicycles，and public transportation only．
              Eight million people （53）    in the center of London and another two million people go to work there every day．The downtown area is very（54）    with hundreds of cars，buses，and taxis，but there are （55）    a lot of beautiful parks with free music concert．At lunchtime，many people go there for a rest （56）    they get off work．
              Parts of Tokyo are always crowded with hundreds of people-but no cars!These modern car-free zones are （57）    popular and people like shopping there．
              In the past，Bogota was polluted because there （58）    lots of cars and traffic．Now the downtown area is car-free zone and the air is （59）    !Many people don't have a car and half a million people take the bus （60）    ．There are lots of stores．It's not expensive．
              难度：中等
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            • 3． More and more teenagers are using the Internet nowadays，but some of them aren't using it in a proper way．If you follow these suggestions，it'll be much （46）     （安全的）than you might think．
              Do not give your password to others and never give out your home （47）    （地址），real name，age，school or phone number to those （48）    （陌生人）．
              Do not share your （49）     （私密的）information in Moments （朋友圈）
              Never answer unwanted （50）     （电子邮件）．
              Be （51）    （小心的） when you are using public Wi-Fi or scanning QR code （扫二维码）．
              Never go and meet anyone you met online （52）     （没有）your parents'permission and never go （53）    （单独地）．
              Keep a separate credit （信用）card just for （54）     （购物）online．This will make it easier to （55）     （取消）if something bad happens and your other credit cards can still be used uninfluenced．
              难度：中等
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            • 4． What would you choose，if you were sitting in front of a TV and there was a book right next to you？The answer will most （81）p     be the TV!Young people would certainly choose the TV，but you will be surprised to find out that the older ones will at least hesitate about choosing it．Why is this？Are the books not as interesting as they used to be？Is it that the world has （82）c     so much in recent years that our habits are not the same anymore？
              Nowadays many people have no interest in literature（文学）．This may be a possible explanation．Another（83）r     might be the change of lifestyle．We are more（84）l     to visit a club or a bar to relax ourselves after a long day's work，rather than read a book in the comfort of our own homes．People are more outgoing than they used to be．All the stress of work makes us want a quick relaxing means．Perhaps，most of us do not have the （85）p     to read anymore．It is much （86）e     to turn on the TV and watch the latest news around the world than read 19th century literature!
              With all the TV  programs，every one of us can find an interesting show or movie to watch．What’s better than getting into bed with the remote control and falling asleep whenever you wish？You are the master of all the TV programs．The only disadvantage is that TV will never （87）p     you with all the facts that a book can do．TV is much more superficial than books，even if it does get you relaxed in just a moment!
              难度：中等
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            • 5． Teenagers and their parents always think differently．Children always hate the （80）    asked by their parents．Here are some of them．
              What did you get on your report card？
                Unless you get all As and Bs，you'll never want to hear this question come out of your parents'mouths．How do they know it is the report card day？Mom and Dad are going to be angry when they see you （81）    a C in math．
              Did you clean your room？
              "YES，"you shout downstairs as you start running around your room，hiding all the clothes on your floor under your bed．You must finish all of this （82）    your mom comes into your room and sees your room is still in a mess．
              Is it your boyfriend/girlfriend？
                  You can't understand why your （83）    always ask such a question．You find it difficult to give an answer．It's either because you don't know what kind of relationship it is （84）    there is an important reason you can't tell them．
              Did you call a family member for his/her birthday？
                 Uh，no．Honestly，you see this family member once every three years．What will you say （85）    him/her？Can't you just write"Happy Birthday"in his/her WeChat or QQ group？
               Such problems often happen to teenagers and their parents．Maybe （86）    sides should have some changes and try to understand each other better．For parents，they may let the children be free to deal with their （87）    problems．For children，they'd better ask their parents for some advice．
              难度：中等
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            • 6． There is an old saying："Take the time to stop and smell the flowers．"I think we should also take the time to （41）     flowers．
              My grandmother knew just （42）     to do that．She grew flowers with earth，water and love，so her back garden was filled with beautiful flowers．She would smile when she saw the （43）     shine down on them．In her front garden she planted flowers，（44）    ．You could see red，white，and yellow flowers in it．My mom and I used to walk （45）     them and enjoy their smells．Beautiful butterflies （蝴蝶） flew down on them．Grandma also cared for the wild flowers．She would send （46）     and my brother out to pick flowers and would then turn them into delicious wine （酒）．
              Grandma not only planted flowers in the gardens （47）     also planted flowers in our hearts．Her delicious dinners made with love encouraged us．Her sweet smile always made us （48）    ．Her hugs （拥抱） and kisses were the sunshine that kept our own love（49）     day after day．
              Take the time to plant a few flowers yourself today．Show your smiles，kindness and love．Plant your wishes，talents and pleasure．Make this （50）     brighter and brighter with your sunshine．

              41．A．plantB．waterC．buyD．sell
              42．A．whoB．whenC．howD．where
              43．A．starB．sunC．rainD．wind
              44．A．tooB．eitherC．thenD．though
              45．A．atB．onC．withD．around       
              46．A．meB．youC．himD．her
              47．A．andB．soC．butD．or
              48．A．happyB．hungryC．tiredD．angry
              49．A．sleepingB．growingC．standingD．losing
              50．A．houseB．townC．cityD．world．
              难度：中等
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            • 7． Teenagers and their parents always think differently．Children always hate the （80） ______ asked by their parents．Here are some of them．
              What did you get on your report card？
              Unless you get all As and Bs，you’ll never want to hear this question come out of your parents’mouths．How do they know it is the report card day？Mom and Dad are going to be angry when they see you （81） ______ a C in math．
              Did you clean your room？
              “YES，”you shout downstairs as you start running around your room，hiding all the clothes on your floor under your bed．You must finish all of this （82） ______ your mom comes into your room and sees your room is still in a mess．
              Is it your boyfriend/girlfriend？
              You can’t understand why your （83） ______ always ask such a question．You find it difficult to give an answer．It’s either because you don’t know what kind of relationship it is （84） ______ there is an important reason you can’t tell them．
              Did you call a family member for his/her birthday？
              Uh，no．Honestly，you see this family member once every three years．What will you say （85） ______ him/her？Can’t you just write“Happy Birthday”in his/her WeChat or QQ group？
              Such problems often happen to teenagers and their parents．Maybe （86） ______ sides should have some changes and try to understand each other better．For parents，they may let the children be free to deal with their （87） ______ problems．For children，they’d better ask their parents for some advice．
              难度：较易
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            • 8．
              real noisy clean after work be area traffic also live
              Many people have cars in the city．But pollution is a problem because of the （51） ______ ．Nowadays some downtown （市中心） areas around the world don’t have cars．These car-free zones （无车区） are （52） ______ for people，bicycles，and public transportation only．
              Eight million people （53） ______ in the center of London and another two million people go to work there every day．The downtown area is very（54） ______ with hundreds of cars，buses，and taxis，but there are （55） ______ a lot of beautiful parks with free music concert．At lunchtime，many people go there for a rest （56） ______ they get off work．
              Parts of Tokyo are always crowded with hundreds of people-but no cars!These modern car-free zones are （57） ______ popular and people like shopping there．
              In the past，Bogota was polluted because there （58） ______ lots of cars and traffic．Now the downtown area is car-free zone and the air is （59） ______ !Many people don’t have a car and half a million people take the bus （60） ______ ．There are lots of stores．It’s not expensive．
              难度：较易
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            • 9． More and more teenagers are using the Internet nowadays，but some of them aren’t using it in a proper way．If you follow these suggestions，it’ll be much （46） ______ （安全的）than you might think．
              Do not give your password to others and never give out your home （47） ______ （地址），real name，age，school or phone number to those （48） ______ （陌生人）．
              Do not share your （49） ______ （私密的）information in Moments （朋友圈）
              Never answer unwanted （50） ______ （电子邮件）．
              Be （51） ______ （小心的） when you are using public Wi-Fi or scanning QR code （扫二维码）．
              Never go and meet anyone you met online （52） ______ （没有）your parents’permission and never go （53） ______ （单独地）．
              Keep a separate credit （信用）card just for （54） ______ （购物）online．This will make it easier to （55） ______ （取消）if something bad happens and your other credit cards can still be used uninfluenced．
              难度：较易
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            • 10． Water is very important to living things． (1) water there can be no life on earth．All animals and plants need water．Man needs water，too．We need water to drink，to cook our food and to (2) ourselves．Water is found almost everywhere．Even in the driest part of the world there is some water in the (3) ．You can not see it or feel it when it is part of the air．The water in seas，rivers is a liquid（液体）．The water in the air is not a liquid (4) a gas（气体）． (5) are made of water．They may be made of very small drops（滴）of water．Water，you have found，is very useful，so we must save water．
              (1) A．With B．Without C．For D．Beside (2) A．clean B．grow C．feed D．watch (3) A．country B．plant C．sand D．air (4) A．or B．so C．but D．And (5) A．Clouds B．Rocks C．Planets D．Bodies
              难度：较易
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