【文章內(nèi)容簡介】 ine white youths who had gone“nigger hunting”． A．decisions B．statements C．trials D．sentences 50．While those dealt with by the courts were overwhelmingly white ，the large number of black people also arrested and the official _____ there had not been a racial motive ensured a legacy of black mistrust of the Metropolitan police that has never really been eradicated． A．persistence B．perseverance C．insistence D．instance Section B Error Correction（10points） Directions：The following passage contains 9 errors．In each case only one word is involved．You should proofread the passage on the Answer Sheet and correct it in the following way： EXAMPLE One night，quite late，I was still awake in the room I am shared with 1. am my husband．I was lying on my right side and can hear a child crying． 2. could Getting up，I went ∧ see if our son was all right． 3. to He was sleeping soundly，breathing deeply and gently． 4. √ The ZipperWhatever did we do before the invention of the zipper？ In 1893 the world39。s first zipper was produced in Chicago． Although the inventor claimed that it was a reliable fastening for clothing，this was not the case．The Chicago zipper sprang 51．______ open without warning，or jammed shut，and it swiftly lost popularity．Twenty years ago a Swedishborn engineer called 52．______ Sundback solved the problem．He attached tiny cups to the backs of the interlocked teeth，and this meant that the teeth 53．______ could be enmeshed more firmly and reliably． At first zippers were made of metal．They were heavy，and if they got stuck it was difficult to free．Then came nylon 54．______ zippers which were lighter and easier to use，and had smaller teeth．The fashion industry liked the new zippers far better because they didn’t distort the line of the garment or weighing 55．______ down light fabrics．They were also easier for the machinists to fit into the garment． Meanwhile a new fastening agent made its appearance at the end of the twenty century: velcro. Velcro is another product 56．______ made from nylon．Nylon is a very tough synthetic fibre first developed in the 1930s，and bearing a name to mind the wearer 57．______ of the two places where it was developed：NY for New York and LON for London．Velcro is made with very small nylon hooks on one side of the fastening which caught tiny looped whiskers on the 58．______ other side of the fastening．It is strong and durable． Velcro is used on clothing，luggages and footwear．It is quick 59．______ and easy to fasten and unfasten，and has taken a large part of the zipper39。s share of the market．It is also used in ways a zipper cannot be used—for instance as an easily changed fastening on plaster casts，and to hold furnishing fabrics in a position． 60．______Part III Situational Dialogues（5 minutes，10 points） Directions：Complete the following dialogues by choosing the best answer．Then mark the corresponding letter on the Answer Sheet with a single line through the centre． 61．Rob：Hey Jill，you39。re looking great． Jill：Thanks，Rob．____________ Rob：Well，you did it．How？ Jill： I jog every morning，and I go to aerobics every other day． A．I bought this dress yesterday．Really smart． B．You are looking fine too． C．I39。m recovering my strength after the flu． D．My New Year39。s resolution was to get in shape． 62．Bob：Hi Jane．How are you？ Jane：____________I didn39。t sleep a wink last night．The people next door were making a lot of noise again till very late at night． A．I39。m feeling a bit out of sorts this morning． B．Fine，thank you．And you？ C．I slept like a log and didn39。t want to get out of bed． D．It seems a bit unusual，you know． 63．Ann ：Aah！He39。s gorgeous！Look at those big，golden paws．When did you get him？ Roger：Yesterday．____________ Ann ：Oh，right．What kind is she？ Roger：A Labrador． A．Susan39。s got a more beautiful one． B．What39。s up？ C．It39。s a she actually． D．Isn39。t it right？ 64．Tina：Wow，look at all the things on sale．____________ Andrew：Yes，look，this shirt is 50 ％off． Tina：And look at these shoes．They are 30 ％off the normal price． A．I39。d like to buy a skirt．B．There are some real bargains． C．Are the prices reasonable？D．These shoes are the same as mine． 65．Woman：Have you finished the packaging？ Man ：____________ Woman：Good．Because the truck will be ing soon，this is a rush job． A．Don39。t hurry m or I39。ll break the glass． B．Almost．I just have to wrap the glass and put it into boxes． C．No，I haven39。t．Why didn39。t you help me with it？ D．Yes，I have．What else can I do for you？ 66．Customs Officer ：________________________ Mrs．John son ：No，nothing at all． Customs Officer ：No perfume，alcohol or cigarettes？ Mrs．John son ：Well，I have 200 cigarettes；that39。s all． A．Do you have anything in the bag，ma39。am？ B．Do you have anything