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北师大版 (2019)必修 第一册Unit 2 Sports and FitnessLesson 1 The Underdog背景图ppt课件
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这是一份北师大版 (2019)必修 第一册Unit 2 Sports and FitnessLesson 1 The Underdog背景图ppt课件，共36页。PPT课件主要包含了课文预习自测，题组练·领悟方法等内容，欢迎下载使用。
Ⅰ 阅读理解（根据课文内容选择正确答案） 1. In 1991，the Williams family mved t anther place because they culd nt bear the . A. pverty B. drugs and vilence C. prejudice D. cmpetitin 2. Richard Williams was strict with Venus and Serena perhaps because . A. they were t naughty B. he did nt lve them C. he wanted them t make prgress D. they didn’t take the training seriusly
3. Which f the fllwing is TRUE? A. Venus is third in the wrld. B. The tw sisters were brn in a gd backgrund. C. The first time Serena played in a big event was in 1996. D. The tw sisters cmpleted their high schl with the help f their mther. 4. When was Serena the wmen’s singles champin at Wimbledn? A. In 1999 and 2002. B. In 1996. C. In 2002 and 2003. D. In 1991. 5. Hw d the tw girls get n at hme? A. They get n very well. B. They ften quarrel with each ther. C. They ften fight with each ther. D. They dn’t get n well.
Ⅱ 语法填空（根据课文内容和语法规则完成短文） Venus and Serena Williams are bth tennis 1 （ champin）. They were brn in an area which was full f drugs and 2 （vilent）. In 1991，the sisters and their family mved t a 3 （safe） area and since then they have never 4 （lk） back. Richard, their father, was strict 5 them and trained them hard t cmpete 6 each ther. Bth sisters are studying design at cllege nw. They have already 7 （express） a keen interest in wrking in design after their tennis careers stp. The sisters’ rad t success has been 8 _________（amaze）. It was in 1996 that Venus played in a big event fr the first time. Since then，she has wn Wimbledn and the US Open 9 （tw）. 10 tennis ever caused prblems between the sisters? Frtunately，n.
核心词汇词汇一 skilful （skillful） adj. （1）灵巧的，熟练的；（2）有技巧的【教材原句】psitive：brilliant，fast，skilful... 积极的：卓越的、迅速的、灵巧的…… 【要点必记】（1）skill n. （技巧；技能）+-ful → skilful （skilful） adj. 有技巧的→ skilfully adv. 熟练地 be skilful at （ding） sth. 擅长（做）某事（2）skill n. +-ed → skilled adj. 有技能的； 熟练的 be skilled at/in （ding）sth. 做某事熟练
单句语法填空(1) ［词汇复现］She is skilful fighting fr equal rights. (2) ［词汇复现］Jack is a brilliant player. He is very smart and （skill）. (3) Alex and Andy perfrmed （skill）and they wn first prize. (4) Jane is highly skilled at （deal）with difficult custmers. (5) Nt all dctrs are skilled helping their patients make chices.
skilful/skillful
skilfully/skillfully
词汇二 useless adj. （1）差劲的；（2）无用的【教材原句】negative：awful，bring... useless，weak 消极的：糟糕的、无聊的……无用的、弱的【要点必记】（1）It’s useless ding/t d sth. = It is n use ding sth. 做某事是没有用的。（2）use n. （用法，用处）+-ful → useful adj. 有用的 use n. +-less → useless adj. 无用的
【学法点拨】-less 表示“无，缺，没有”。 careless 粗心的 hpeless 无希望的 hmeless 无家可归的 selfless 无私的 helpless 无助的
单句语法填空(1) ［词汇复现］Dn’t spend yur time n these （use） dcuments. (2) It is useless （try） t persuade him t give up smking. (3) ［词汇复现］It is n use （cmplain） and get dwn t yur wrk. (4) ［词汇复现］The website is filled with （use） infrmatin， s I advise yu t clse it.
trying/t try
cmplaining
单句写作(5)为此事担心无济于事。 _______________________________________________________________ (6)无所事事地在这儿等待是没有用的。 It here ding nthing.
It is useless wrrying/t wrry abut it/It is n use wrrying abut it.
is n use waiting
词汇三 unusual adj. 不平常的；与众不同的；别致的【教材原句】Why are the sisters unusual? 为什么这对姐妹是与众不同的？ 【要点必记】usual adj. 平常的 as usual 像往常一样usually adv. 通常，平常
【归纳拓展】否定形容词前缀un-： unhappy 不开心的uncmfrtable 不舒服的unfriendly 不友好的unlucky 不幸的
单句语法填空(1) ［词汇复现］It is nt （usual） fr me t see the crwded tube. (2) ［词汇复现］ usual，the generus gentleman gave a lt f new bks t this schl. (3) ［词汇复现］He （usual） ges t wrk by tube but he tk a taxi tday. 单句写作(4) ［词汇复现］As t the astrnaut，it was （一次不同寻常的经历）. (5)［词汇复现］The ld gentleman waved t me （像往常一样） when I passed by.
an unusual experience
词汇四 strict adj. 严格的，严厉的【教材原句】He has always been very strict with his daughters，training them hard t cmpete against each ther. 他总是对他的女儿们严格要求，努力训练她们，要她们相互竞争。【要点必记】be strict with sb. 对某人要求严格be strict abut sth. 对某事要求严格【词语积累】strictly adv. 严格地，严厉地strictly speaking 严格来说
单句写作(1) As mnitr f ur class，yu must （对…… 严格）yurself. 单句语法填空(2) His father was very strict him and he had never praised him he became ne f the tp students in his grade. (3) （strict） speaking，the bk is nt a nvel，but a shrt stry.
be strict with
词汇五 cmpete vi. 比赛，竞争【要点必记】cmpete with/against 与……竞争cmpete fr 为争取……而竞争cmpete in 在……方面竞争cmpete t d sth. 竞争做某事【单词积累】cmpetitr n. 竞争者，对手cmpetitin n. 比赛，竞争cmpetitive adj. 有竞争力的，好竞争的
单句语法填空(1) ［词汇复现］Charles felt it was useless t cmpete thers. (2) ［词汇复现］In my pinin，yu are suppsed t cmpete the pst. (3) ［词汇复现］He finally gt a chance t cmpete the talent shw. (4) They fund themselves cmpeting freign cmpanies a share f the market. (5) All the （cmpete） cmpeted in the （cmpete）.
with/against
词汇六 cme t an end 完结，终结（不及物动词短语，没有被动语态） 【教材原句】They have already expressed a keen interest in wrking in design after their tennis careers cme t an end. 她们都对网球生涯结束后从事设计工作极感兴趣。【要点必记】cme t an agreement 达成协议cme t neself 恢复知觉，苏醒cme t a decisin 作出决定cme t a cnclusin 得出结论
【学法点拨】“结束”的表达法： end up（with） end in an end put an end t...
单句语法填空(1) ［词汇复现］The meeting didn’t cme an end until midnight. (2) ［词汇复现］When the mvie came an end，the cinema was filled with jy. (3) ［词汇复现］The vilent revlutin came t end after the lcal gvernment’s effrt. 一句多译他们的演讲结束了。(4) Their speech . (5) They the speech . (6) They the speech.
came t an end
t an end
put an end t
词汇七 amazing adj. （1）令人惊异的；（2）令人惊喜的【教材原句】The sisters’ rad t success has been amazing. 两姐妹的成功之路是令人惊叹的。【要点必记】（1）amaze vt. 使惊奇→ amazed adj. 惊 奇的→ amazing adj. 令人惊异的；令人惊喜的→ amazingly adv. 令人惊奇地→ amazement n. 惊奇，惊诧（2）be amazed by 因……而感到惊奇be amazed t d sth. 对做某事感到惊奇t ne’s amazement 令某人惊奇的是 in amazement 吃惊地
单句语法填空(1) ［词汇复现］Hw （amaze） it is that astrnauts are explring uter space! (2) His （amaze） success made his parents very happy. (3) Much t my ，he was nt at the news. （amaze） 单句写作(4) （真令人吃惊）he knew nthing abut the matter. (5) （令我们大为吃惊的是）， the girl finished drawing a hrse in fur minutes.
It was amazing that
Much t ur amazement
词汇八 event n. （1）［C］（体育运动的）比赛项目，竞赛； （2）事件（尤指重要的事情，大事）；（3）公开活动【教材原句】The first time Venus played in a big event was in 1996. 维纳斯第一次参加大型联赛是在 1996 年。【词语辨析】
辨析填空（event/accident/incident） (1) The Internatinal Olympic Cmmittee annunces that an increase f 15 will be made t the prgram f the 2020 Tky Olympic Games. (2) He listed the main f 2018. (3) The by was hurt in an and his right leg is being perated n. (4) The reprter reprted a vilent .
词汇九 frtunately adv. 幸运地【教材原句】Frtunately，n. 幸运的是，没有影响。【要点必记】（1）frtune n. 运气；财富 frtunate adj. 幸运的frtunately adv. 幸运地unfrtunate adj. 不幸的 unfrtunately adv. 不幸地（2）make a frtune 发大财be/feel frtunate t d sth. 很幸运做某事
单句语法填空(1) ［词汇复现］ （frtunate），after six years’ hard wrk，he funded his wn cmpany. (2) （frtunate），his father died，leaving the whle family even prer. (3) Tw middle-aged passengers fell int the sea. （frtunate）， neither f them culd swim. 单句写作(4) I （很幸运找到一份工作） that I lve.
Unfrtunately
am frtunate t find a jb
词汇十 majr （1）adj. （较）重要的；（较）大的 （2）n.［C］主修课程；专业课 （3）v. 主修【教材原句】She has wn lts f majr tennis turnaments... 她已经在许多重要的网球赛中获胜…… 【要点必记】majr in 主修…… a majr earthquake 大地震 a majr prblem 重大问题
【学法点拨】majr 作形容词时一般只作定语，放在名词前。【词语积累】the majrity f... 大多数…… be in the/a majrity 占大多数
单句语法填空 (1) When the headmaster spke ut his plan，the （majr） f the students in the class were in favur f it. 单句写作(2) Li Ming wants t （主修）physics at cllege. (3) ［词汇复现］ （幸运的是），he was accepted by （一家大公司） after graduating frm cllege. (4) One-third f the cuntry is cvered with trees and （大多数） the citizens are black peple. (5) ［词汇复现］她对该计划的成功起了重要作用。 _______________________________________________
a majr cmpany
the majrity f
She played a majr part in the success f the plan.
重点句式 句式一 since then 自那时起【教材原句】Finally，in 1991，the sisters and their family mved t a safer area and since then they have never lked back. 终于，在1991 年， 两姐妹及其家人搬到一个较安全的地区，从此再也没有故地重游过。【要点必记】since 常常是现在完成时的标志，常用于以下结构： ever since 自……以来since + 过去的时间点since + 一般过去时的从句It is/has been + 时间段+since+ 一般过去时.
单句语法填空(1) ［词汇复现］The expert （struggle） t find a slutin t the case since then. (2) It is almst five years since we （see） each ther last time. (3) ［词汇复现］He （supprt） the whle family since he graduated frm university. (4) It is three years since he （cmpete） in the match. 单句写作(5) His wife died three years ag and he （自那以后就一个人生活）. (6) ［词汇复现］He （一直过着有压力的生活） since he tk up this jb.
has struggled
has supprted
has lived alne since then
has lived a stressful life
单元语法 要点一 现在完成时【用法归纳】1. 现在完成时的构成： 肯定式：have/has+ 动词的过去分词否定式：haven’t/hasn’t+ 动词的过去分词2. 现在完成时的用法（1）表示过去发生的某一动作对现在造 成的影响或结果。（2）表示发生在过去、持续到现在的动作 或状态，往往和表示一段时间的状语连用。点拨： 现在完成时的标志词有：already 已经；yet 已经；just 刚刚；ever 曾经；recently 最近； lately 最近；s far 到目前为止
（3）表示说话之前发生过的动作。这 种动作也许发生过一次，也许发生过多次。常用的标志词有 never，ever，nce， twice，befre 等。（4）在时间或条件状语从句中，常用现在 完成时代替将来完成时，表示将来某个时刻之前已经完成的动作。【词语辨析】have been t 与 have gne t ·have been t 到过某地（现在已经回来了） ·have gne t 去了某地（现在不在这里）
单句语法填空(1) ［词汇复现］The brilliant athlete has already （make） amazing achievements. (2) ［词汇复现］The basin （be） useless since tw days ag. (3) ［词汇复现］The big firms （cmpete） in price fr half a year. (4) ［词汇复现］Ted （explre） the remte valley many times. (5) ［词汇复现］He will d vlunteer wrk in the nearby cmmunity as sn as he _____________（finish） his hmewrk. (6) ［词汇复现］I shall majr in law if I （have） a chance t g t university. (7) Danny （wrk） hard fr lng t realize his dream and nw he is ppular. (8) By the time he realizes he （walk）int a trap，it’ll be t late fr him t d anything abut it. (9) S far this year we （see） a fall in huse prices by between 5 and 10 percent.
have cmpeted
has explred
has finished
has walked
要点二 现在完成时与一般过去时的区别【用法归纳】现在完成时与一般过去时的区别
单句语法填空(1) ［词汇复现］He （suffer） great pain because f lung cancer. (2) ［词汇复现］He （suffer） great pain last year because f lung cancer. (3) I like these English sngs and they （teach）many times n the radi. (4) Prgress （have）s far very gd and we are sure that the wrk will be finished n time. (5) The children （lve） their trip，and they enjyed the hrse ride mst. (6) Scientists have many theries abut hw the universe （cme） int being.
has suffered
have been taught
Ⅰ 阅读理解（根据课文内容选择正确答案） 1. In 1991，the Williams family mved t anther place because they culd nt bear the . A. pverty B. drugs and vilence C. prejudice D. cmpetitin 2. Richard Williams was strict with Venus and Serena perhaps because . A. they were t naughty B. he did nt lve them C. he wanted them t make prgress D. they didn’t take the training seriusly
3. Which f the fllwing is TRUE? A. Venus is third in the wrld. B. The tw sisters were brn in a gd backgrund. C. The first time Serena played in a big event was in 1996. D. The tw sisters cmpleted their high schl with the help f their mther. 4. When was Serena the wmen’s singles champin at Wimbledn? A. In 1999 and 2002. B. In 1996. C. In 2002 and 2003. D. In 1991. 5. Hw d the tw girls get n at hme? A. They get n very well. B. They ften quarrel with each ther. C. They ften fight with each ther. D. They dn’t get n well.
Ⅱ 语法填空（根据课文内容和语法规则完成短文） Venus and Serena Williams are bth tennis 1 （ champin）. They were brn in an area which was full f drugs and 2 （vilent）. In 1991，the sisters and their family mved t a 3 （safe） area and since then they have never 4 （lk） back. Richard, their father, was strict 5 them and trained them hard t cmpete 6 each ther. Bth sisters are studying design at cllege nw. They have already 7 （express） a keen interest in wrking in design after their tennis careers stp. The sisters’ rad t success has been 8 _________（amaze）. It was in 1996 that Venus played in a big event fr the first time. Since then，she has wn Wimbledn and the US Open 9 （tw）. 10 tennis ever caused prblems between the sisters? Frtunately，n.
核心词汇词汇一 skilful （skillful） adj. （1）灵巧的，熟练的；（2）有技巧的【教材原句】psitive：brilliant，fast，skilful... 积极的：卓越的、迅速的、灵巧的…… 【要点必记】（1）skill n. （技巧；技能）+-ful → skilful （skilful） adj. 有技巧的→ skilfully adv. 熟练地 be skilful at （ding） sth. 擅长（做）某事（2）skill n. +-ed → skilled adj. 有技能的； 熟练的 be skilled at/in （ding）sth. 做某事熟练
单句语法填空(1) ［词汇复现］She is skilful fighting fr equal rights. (2) ［词汇复现］Jack is a brilliant player. He is very smart and （skill）. (3) Alex and Andy perfrmed （skill）and they wn first prize. (4) Jane is highly skilled at （deal）with difficult custmers. (5) Nt all dctrs are skilled helping their patients make chices.
skilful/skillful
skilfully/skillfully
词汇二 useless adj. （1）差劲的；（2）无用的【教材原句】negative：awful，bring... useless，weak 消极的：糟糕的、无聊的……无用的、弱的【要点必记】（1）It’s useless ding/t d sth. = It is n use ding sth. 做某事是没有用的。（2）use n. （用法，用处）+-ful → useful adj. 有用的 use n. +-less → useless adj. 无用的
【学法点拨】-less 表示“无，缺，没有”。 careless 粗心的 hpeless 无希望的 hmeless 无家可归的 selfless 无私的 helpless 无助的
单句语法填空(1) ［词汇复现］Dn’t spend yur time n these （use） dcuments. (2) It is useless （try） t persuade him t give up smking. (3) ［词汇复现］It is n use （cmplain） and get dwn t yur wrk. (4) ［词汇复现］The website is filled with （use） infrmatin， s I advise yu t clse it.
trying/t try
cmplaining
单句写作(5)为此事担心无济于事。 _______________________________________________________________ (6)无所事事地在这儿等待是没有用的。 It here ding nthing.
It is useless wrrying/t wrry abut it/It is n use wrrying abut it.
is n use waiting
词汇三 unusual adj. 不平常的；与众不同的；别致的【教材原句】Why are the sisters unusual? 为什么这对姐妹是与众不同的？ 【要点必记】usual adj. 平常的 as usual 像往常一样usually adv. 通常，平常
【归纳拓展】否定形容词前缀un-： unhappy 不开心的uncmfrtable 不舒服的unfriendly 不友好的unlucky 不幸的
单句语法填空(1) ［词汇复现］It is nt （usual） fr me t see the crwded tube. (2) ［词汇复现］ usual，the generus gentleman gave a lt f new bks t this schl. (3) ［词汇复现］He （usual） ges t wrk by tube but he tk a taxi tday. 单句写作(4) ［词汇复现］As t the astrnaut，it was （一次不同寻常的经历）. (5)［词汇复现］The ld gentleman waved t me （像往常一样） when I passed by.
an unusual experience
词汇四 strict adj. 严格的，严厉的【教材原句】He has always been very strict with his daughters，training them hard t cmpete against each ther. 他总是对他的女儿们严格要求，努力训练她们，要她们相互竞争。【要点必记】be strict with sb. 对某人要求严格be strict abut sth. 对某事要求严格【词语积累】strictly adv. 严格地，严厉地strictly speaking 严格来说
单句写作(1) As mnitr f ur class，yu must （对…… 严格）yurself. 单句语法填空(2) His father was very strict him and he had never praised him he became ne f the tp students in his grade. (3) （strict） speaking，the bk is nt a nvel，but a shrt stry.
be strict with
词汇五 cmpete vi. 比赛，竞争【要点必记】cmpete with/against 与……竞争cmpete fr 为争取……而竞争cmpete in 在……方面竞争cmpete t d sth. 竞争做某事【单词积累】cmpetitr n. 竞争者，对手cmpetitin n. 比赛，竞争cmpetitive adj. 有竞争力的，好竞争的
单句语法填空(1) ［词汇复现］Charles felt it was useless t cmpete thers. (2) ［词汇复现］In my pinin，yu are suppsed t cmpete the pst. (3) ［词汇复现］He finally gt a chance t cmpete the talent shw. (4) They fund themselves cmpeting freign cmpanies a share f the market. (5) All the （cmpete） cmpeted in the （cmpete）.
with/against
词汇六 cme t an end 完结，终结（不及物动词短语，没有被动语态） 【教材原句】They have already expressed a keen interest in wrking in design after their tennis careers cme t an end. 她们都对网球生涯结束后从事设计工作极感兴趣。【要点必记】cme t an agreement 达成协议cme t neself 恢复知觉，苏醒cme t a decisin 作出决定cme t a cnclusin 得出结论
【学法点拨】“结束”的表达法： end up（with） end in an end put an end t...
单句语法填空(1) ［词汇复现］The meeting didn’t cme an end until midnight. (2) ［词汇复现］When the mvie came an end，the cinema was filled with jy. (3) ［词汇复现］The vilent revlutin came t end after the lcal gvernment’s effrt. 一句多译他们的演讲结束了。(4) Their speech . (5) They the speech . (6) They the speech.
came t an end
t an end
put an end t
词汇七 amazing adj. （1）令人惊异的；（2）令人惊喜的【教材原句】The sisters’ rad t success has been amazing. 两姐妹的成功之路是令人惊叹的。【要点必记】（1）amaze vt. 使惊奇→ amazed adj. 惊 奇的→ amazing adj. 令人惊异的；令人惊喜的→ amazingly adv. 令人惊奇地→ amazement n. 惊奇，惊诧（2）be amazed by 因……而感到惊奇be amazed t d sth. 对做某事感到惊奇t ne’s amazement 令某人惊奇的是 in amazement 吃惊地
单句语法填空(1) ［词汇复现］Hw （amaze） it is that astrnauts are explring uter space! (2) His （amaze） success made his parents very happy. (3) Much t my ，he was nt at the news. （amaze） 单句写作(4) （真令人吃惊）he knew nthing abut the matter. (5) （令我们大为吃惊的是）， the girl finished drawing a hrse in fur minutes.
It was amazing that
Much t ur amazement
词汇八 event n. （1）［C］（体育运动的）比赛项目，竞赛； （2）事件（尤指重要的事情，大事）；（3）公开活动【教材原句】The first time Venus played in a big event was in 1996. 维纳斯第一次参加大型联赛是在 1996 年。【词语辨析】
辨析填空（event/accident/incident） (1) The Internatinal Olympic Cmmittee annunces that an increase f 15 will be made t the prgram f the 2020 Tky Olympic Games. (2) He listed the main f 2018. (3) The by was hurt in an and his right leg is being perated n. (4) The reprter reprted a vilent .
词汇九 frtunately adv. 幸运地【教材原句】Frtunately，n. 幸运的是，没有影响。【要点必记】（1）frtune n. 运气；财富 frtunate adj. 幸运的frtunately adv. 幸运地unfrtunate adj. 不幸的 unfrtunately adv. 不幸地（2）make a frtune 发大财be/feel frtunate t d sth. 很幸运做某事
单句语法填空(1) ［词汇复现］ （frtunate），after six years’ hard wrk，he funded his wn cmpany. (2) （frtunate），his father died，leaving the whle family even prer. (3) Tw middle-aged passengers fell int the sea. （frtunate）， neither f them culd swim. 单句写作(4) I （很幸运找到一份工作） that I lve.
Unfrtunately
am frtunate t find a jb
词汇十 majr （1）adj. （较）重要的；（较）大的 （2）n.［C］主修课程；专业课 （3）v. 主修【教材原句】She has wn lts f majr tennis turnaments... 她已经在许多重要的网球赛中获胜…… 【要点必记】majr in 主修…… a majr earthquake 大地震 a majr prblem 重大问题
【学法点拨】majr 作形容词时一般只作定语，放在名词前。【词语积累】the majrity f... 大多数…… be in the/a majrity 占大多数
单句语法填空 (1) When the headmaster spke ut his plan，the （majr） f the students in the class were in favur f it. 单句写作(2) Li Ming wants t （主修）physics at cllege. (3) ［词汇复现］ （幸运的是），he was accepted by （一家大公司） after graduating frm cllege. (4) One-third f the cuntry is cvered with trees and （大多数） the citizens are black peple. (5) ［词汇复现］她对该计划的成功起了重要作用。 _______________________________________________
a majr cmpany
the majrity f
She played a majr part in the success f the plan.
重点句式 句式一 since then 自那时起【教材原句】Finally，in 1991，the sisters and their family mved t a safer area and since then they have never lked back. 终于，在1991 年， 两姐妹及其家人搬到一个较安全的地区，从此再也没有故地重游过。【要点必记】since 常常是现在完成时的标志，常用于以下结构： ever since 自……以来since + 过去的时间点since + 一般过去时的从句It is/has been + 时间段+since+ 一般过去时.
单句语法填空(1) ［词汇复现］The expert （struggle） t find a slutin t the case since then. (2) It is almst five years since we （see） each ther last time. (3) ［词汇复现］He （supprt） the whle family since he graduated frm university. (4) It is three years since he （cmpete） in the match. 单句写作(5) His wife died three years ag and he （自那以后就一个人生活）. (6) ［词汇复现］He （一直过着有压力的生活） since he tk up this jb.
has struggled
has supprted
has lived alne since then
has lived a stressful life
单元语法 要点一 现在完成时【用法归纳】1. 现在完成时的构成： 肯定式：have/has+ 动词的过去分词否定式：haven’t/hasn’t+ 动词的过去分词2. 现在完成时的用法（1）表示过去发生的某一动作对现在造 成的影响或结果。（2）表示发生在过去、持续到现在的动作 或状态，往往和表示一段时间的状语连用。点拨： 现在完成时的标志词有：already 已经；yet 已经；just 刚刚；ever 曾经；recently 最近； lately 最近；s far 到目前为止
（3）表示说话之前发生过的动作。这 种动作也许发生过一次，也许发生过多次。常用的标志词有 never，ever，nce， twice，befre 等。（4）在时间或条件状语从句中，常用现在 完成时代替将来完成时，表示将来某个时刻之前已经完成的动作。【词语辨析】have been t 与 have gne t ·have been t 到过某地（现在已经回来了） ·have gne t 去了某地（现在不在这里）
单句语法填空(1) ［词汇复现］The brilliant athlete has already （make） amazing achievements. (2) ［词汇复现］The basin （be） useless since tw days ag. (3) ［词汇复现］The big firms （cmpete） in price fr half a year. (4) ［词汇复现］Ted （explre） the remte valley many times. (5) ［词汇复现］He will d vlunteer wrk in the nearby cmmunity as sn as he _____________（finish） his hmewrk. (6) ［词汇复现］I shall majr in law if I （have） a chance t g t university. (7) Danny （wrk） hard fr lng t realize his dream and nw he is ppular. (8) By the time he realizes he （walk）int a trap，it’ll be t late fr him t d anything abut it. (9) S far this year we （see） a fall in huse prices by between 5 and 10 percent.
have cmpeted
has explred
has finished
has walked
要点二 现在完成时与一般过去时的区别【用法归纳】现在完成时与一般过去时的区别
单句语法填空(1) ［词汇复现］He （suffer） great pain because f lung cancer. (2) ［词汇复现］He （suffer） great pain last year because f lung cancer. (3) I like these English sngs and they （teach）many times n the radi. (4) Prgress （have）s far very gd and we are sure that the wrk will be finished n time. (5) The children （lve） their trip，and they enjyed the hrse ride mst. (6) Scientists have many theries abut hw the universe （cme） int being.
has suffered
have been taught
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