KEY TO EXERCISES （Unit 2）TEXT AA Main ideaWesterners like to buy other peoples stuff .They Hunt/search through used good at yard sales looking for second-hand treasure .Different people go to yard go to yard sales for different purposes .They buy used goods un order to save or make money, to find things that would remind them of certain times of the past ,to collect things that look interesting to them ,to them ,or to find new uses of old items.B Detailed UnderstandingB B A B C1;1money 2valuable 3their2; remind people of their childhood3;1 The classes they have taken2The books they have read4；1 a old clothes iron used as a bookend2 a children’s toy car used to decorate a guest room3an antique quilt used for wall display5;Used things/unwanted things in one’s houseD Vocabulary practice121terasure 2extra 3brought 4value 5adds 6flaw 7display 8Armrd 9antiqye 10 added color31favorite 2hinting for 3remind….of 4homemade 5made 6remain 7used 8Whatever 9unique 10second-handTEXT BA main ideaCoin collection ,as a popular hobby .can teach us many things .The designs on coins can tell about the history ,geography ,art or religion of a certain country ,Your interests decide the kind of collection you would like to have and whether you want to collect ancient coins or the ones that are now in use .In order to get the mist enjoyment/pleasure from coin collecting ,you have to gain much knowledge on the subject from books or friends .Once you have got an old coin ,you might try to find out when and where it was produced and its value when it was in use .B . Detailed Understanding1 C A D B C2;1; choices over the age of coins ;Either collecting coins in use today or those that were used in ancient times.Either collecting coins from a certain period history or those in use both in the past and at present .2; Choices over the countries of the coins :Either from ones own country or from other countries .3; Sources of knowledge about coins ;Either from books or f rom other collectors .4; Choices over the treatment of dirty coins :Either not to clean them or to clean them with soap and warm water when they ate caked with dirt .D Vocabulary Practice1worldwide , nationwide2 shopper , collector ,hunter ,seller ,visitor3 ancient , antique ,aged4 antique-collecting , coin-collecting ,record-collecting5 pleasure ,enjoyment21a . hobby c decorative pattern on somethingb . portrait a an activity that one enjoys doing in free timec . designd money that is put in the bankd . savings b drawing or photograph of a person2a . costly d modern existing nowb , ancientc modern existing nowc . unknown a too expensived , present-day b belonging to a time long ago3a . select d to bring together things of the same type fro, different sourcesb , remove a to choose the best one after careful thinkingc , contain b to get rid of somethingd . collect c to includeIII1.1)collect 2)collector 3)collective 4)collection 5)Collect ;collectable/collectible2.1)use 2)use 3)used 4)useless 5)used 6)Used 7)useful3.1)enjoys 2)enjoyment 3)enjoyable 4)enjoyed4.1)cost 2)costs 3)costly 4)cost5.1)presents 2)presence 3)presence 4)present 5)presentation 6)presented Waiting PracticeI1.Vivian brought all her knowledge to team2.The couple named their first son John3.Please write a letter for him to support his application4.The young graduate has become a new teacher5.Listen to the teacher carefully and practice6.YOU must be an active rather than a passive student7.The trainer recommended trying an easy training program first8.Learning a foreign language is for the purpose of communication9.They all wished him a happy journey home10.She wouldn't like to stay a waitress foe longII1.The attitude of some students today makes me feel angry2.对3.The winning team proudly showed their fans their award4.The housekeeper explained the problem to us5.对6.The thought of losing face drives the young actress absolutely crazy7.When he made out his will Mr .simpson refused to leave anything to his youngest son8.对9.George Bush has been elected the new President of the United States10.对III1.There were dark clouds overhead2.There is something strange about the way he smiles3.There is no possible choice to change the plan4.There is no possible choice to change the plan5.There are too many people trying to get into the stadium for the concert6.There is nothing you can do to help I m afraid7.There is a small river running through the garden8.There is nothing on her desk but a calendar9.There was a big blue sign on the window10.There was a big blue sign on the windowIv1.Tex sentence; Others simply buy whatever looks interestingYour sentence; The convenient shops sell whatever people need2.Text sentence; Some people buy used goods simply to save moneyYour sentence; We do morning exercise simply to gain strength3.Text sentence; A collection of present-day coins…is worldwide in scopeYour sentence; The argument is acceptable in form4.Text sentence; Another way to start a collection is to select the best examples of coins now inuseYour sentence; A clever way to solve the problem is to delete the sentence5.Text sentence; Never clean a coin unless it is caked with dirtYour sentence; Never ask about the salary in a job interview unless the boss mentions itV1.Armed with raincoat and flashlight he joined in the fight against the flood2.Some people choose to shop in the supermarket while others like to hint foe goods in thesecond –hand shop3.Some people search through/hint for used foods simply to save money4.This new song caught the fancy of the pubic at once5.Coin collection may add to our enjoyment in life6.This factory produces whatever males money foe it7.This is a costly way of making a living8.The visit to Mr. john Nash will always remain in my memory。