Lesson 72A car called Bluebirdrace v.竞赛，急速而过The car just raced by,leaving a trail of dust.n.比赛，竞赛，种族The motorbike race is held in our city every year.You are in a race against time.They have been facing the problem of race relations.Vocabularyper prep 每The meal will cost$20 per person.The car was travelling at 70 miles per hour.(70 mph).average adj.平均的,中等的She is about average weight.The average rainfall in2003 was not much.average n.平均数Add 20,10 and 30 and find the average.above/below the averageHis performance on the test was below average.on average 平均On average,we receive ten presents each day.burst vi.爆炸，爆裂A tyre burst on the course.She burst the little boys balloon.vt.&vi.突然打开We burst the door open.While I was reading,the door burst open and John came in.burst into tears/laughterHe keeps bursting into tears for no reason.burst out doing sth.I almost burst out laughing when I saw what she was wearing.Language points1、The great racing driver,Sir Malcolm Campbell,was the first man to drive at over 300 miles per hour.在the second，the next/the last以及表示最高级的如the best，the most intelligent等后可以用to引导的不定式短语做定语，这些词语后面可以接名词或one(s)，也可以不接：Shes always the first to arrive and the last to leave.Youre the best person to advise me about buying a house.你是我买房子的最好顾问。
the only后必须接一个名词或one(s)：Youre the only person/one to complain.他热爱聚会，他总是第一个到，最后一个走He loves parties;he is always the first to come and the last to leave.他是第二个被这样杀死的人He is the second man to be killed in this way.她是唯一幸免于这次空难的人She was the only one to survive the plane crash.per表示“每一，每”，通常用于商业及技术用语，日常用语大多用a/an：You can stay at the hotel at$10 per person per night.You must have been driving at seventy miles an/per hour.2、It was over 30 feet in length and had a 2,500-horsepower engine.Sth is+数字+单位+inlength/height/weight/depth他有2米高He is 2 meters in height.这个洞有7米深The cave is 7 meters in depth.这个大象有3吨重The elephant is 3 tons in weight.3、Although Campbell reached a speed of over 304 miles per hour,he had great difficulty in controlling the car because a tyre burst during the first run.have difficulty(in)doing sth.做有困难He has grown a beard and I had difficulty(in)recognizing him.the first run 一开始的行程the next run 下一段赛程4.After his attempt,Campbell was disappointed to learn that his average speed had been 299 miles per hour.learn 得知be disappointed to hear/find/see/learnattempt n.企图，试图5、Following in his fathers footsteps many years later,Sir Malcolms son,Donald,also set up a world record.follow in ones footsteps 步某人的后尘，仿效某人，继承某人的事业他打算踏着父亲的足迹，成为一名牙医。
He intends to follow in his fathers footsteps and to become a dentist.6.Like his father,he was driving a car called Bluebird.就像他妈妈一样，他帮助了很多人一、一般现在时 1.概念：经常、反复发生的动作或行为及现在的某种状况2.时间状语：Always,usually,often,sometimes,every week(day,year,month),once a week(day,year,month),on Sundays,3.基本结构：动词 原形（如主语为第三人称单数，动词上要改为第三人称单数形式）4.否定形式：主语+am/is/are+not+其他;此时态的谓语动词若为行为动词，则在其前加dont,如主语为第三人称单数，则用doesnt，同时还原行为动词5.一般疑问句：把be动词放于句首；用助动词do提问，如主语为第三人称单数，则用does，同时，还原行为动词6.例句：.It seldom snows here.He is always ready to help others.Action speaks louder than words.二、一般过去时 1.概念：过去某个时间里发生的动作或状态；过去习惯性、经常性的动作、行为。
2.时间状语：ago,yesterday,the day before yesterday,last week,last(year,night,month),in 1989,just now,at the age of 5,one day,long long ago,once upon a time,etc.3.基本结构：be动词；行为动词 的过去式 4.否定形式：主语+was/were+not+其他;在行为动词前加didnt，同时还原行为动词5.一般疑问句：was或were放于句首；用助动词do的过去式did 提问，同时还原行为动词6.例句：She often came to help us in those days.I didnt know you were so busy.三、现在进行时1.概念：表示现阶段或说话时正在进行的动作及行为2.时间状语：Now,at this time,days,etc.look.listen 3.基本结构：主语+be+doing+其他4.否定形式：主语+be+not+doing+其他5.一般疑问句：把be动词放于句首6.例句：How are you feeling today?He is doing well in his lessons.四、过去进行时1.概念：表示过去某段时间或某一时刻正在发生或进行的行为或动作。
2.时间状语：at this time yesterday,at that time或以when引导的谓语动词是一般过去时的时间状语等3.基本结构主语+was/were+doing+其他4.否定形式：主语+was/were+not+doing+其他5.一般疑问句：把was或were放于句首第一个字母大写）6.例句：At that time she was working in a PLA unit.When he came in,I was reading a newspaper.五、现在完成时1.概念：过去发生或已经完成的动作对现在造成的影响或结果，或从过去已经开始，持续到现在的动作或状态2.时间状语：yet,already,just,never,ever,so far,by now,since+时间点，for+时间段，recently,lately,in the past few years,etc.3.基本结构：主语+have/has+p.p（过去分词）+其他4.否定形式：主语+have/has+not+p.p（过去分词）+其他5.一般疑问句：have或has6.例句：Ive written an article.The countryside has changed a lot in the past few years.六、过去完成时1.概念：以过去某个时间为标准，在此以前发生的动作或行为，或在过去某动作之前完成的行为，即“过去的过去”。
2.时间状语：Before,by the end of last year(term,month),etc.3.基本结构：主语+had+p.p（过去分词）+其他4.否定形式：主语+had+not+p.p（过去分词）+其他5.一般疑问句：had放于句首6.例句：As soon as we got to the station,the train had left.By the end of last month.We had reviewed four books 基本结构：主语+had+p.p（过去分词）+其他肯定句：主语+had+p.p（过去分词）+其他否定句：主语+had+not+p.p（过去分词）+其他一般疑问句：Had+主语+p.p（过去分词）+其他特殊疑问句：特殊疑问词+一般疑问句七、一般将来时1.概念：表示将要发生的动作或存在的状态及打算、计划或准备做某事2.时间状语：Tomorrow,next day(week,month,year),soon,in a few minutes,by,the day after tomorrow,etc.3.基本结构：主语+am/is/are+going to+do+其他；主语+will/shall+do+其他4.否定形式：主语+am/is/are not going to do；主语+will/shall not do+其他5.一般疑问句：be放于句首；will/shall提到句首。
6.例句：They are going to have a com。