Unit1TalesofunexplainedA.Usefulwordsandexpressions1.加紧对…的搜查stepupone’ssearchforsth.2.由于你的帮助duetoyourhelp3.出现,露面showup/turnup4.根据今天的报纸accordingtotoday’snewspaper5.色彩繁多的灯(光)multi-colouredlights6.一位白皮肤的女孩awhite-skinnedgirl7.怪模怪样的动物strange-lookinganimals8.排除一个可能性ruleout(a)possibility9.调查一桩案子lookintoacase10.在太空in(outer)space11.一只样子象人的怪兽aman-likemonster12.追赶/追求runafter13.平均on(the/an)average14.编造一些证据makeupsomeevidence15.进行一次采访conductaninterview16.充满了/装满了befullof/befilledwith17.不期而遇runinto(across)/comeacross18.相信---的存在believein(theexistenceof…)19.一个十五岁的男孩afifteen-year-oldboy20.失踪gomissing21.对…显示出极大的兴趣showgreat/muchinterestin22.呆在外面(不回家)stayout23.径直朝房间走去gostraighttotheroom24.放CD片putonCDs25.拉开窗帘pullbackthecurtains26.对---作研究do/carryout/researchon/intosth27.负责一起案子takechargeofacase28.报警callthepolice29.准备上床睡觉getreadyforbed30.梦想---dreamof(doing)sth31.变成现实cometrue32.…与…分离separatefrom33.无人宇宙飞船unmannedspaceships34.一连串的alistof35.一次atatime36.作为对…的回报/交换inreturn(for)37.轮流干…taketurnstodosth./taketurns(at)doingsth38.得出结论drawconclusions39.推荐makerecommendations40.寻找…searchfor41.报告做过…reportdoingsth.42.以惊人的速度withamazingspeed43.铁的证据(piecesof)hardevidence44.向…地方走去makeone’swayto45.开…的玩笑playajokeonsb46.继续存在liveon47.…与…有联系beconnectedwith/havesthtodowith48.一个体格健壮的人aheavily(well)builtmanII.补充短语:1.在…上取得进步make(great,much,little,no)progressin2.因…而发狂bewildwith(anger,joy)3.拍…的肩膀patsbontheshoulder4.肩并肩地shouldertoshoulder5.穿着皮衣的女士aladyinfurs6.存在,形成comeintoexistence7.…的证人awitnessto/ofsth8.…与…类似besimilarto9.以每小时90公里的速度ataspeedof90kmanhourIII.句型结构1.Possiblywe’llmeetagainsoon.Thereis(some)possibilitythatwe’llmeetagainsoon.Itispossiblethatwe’llmeetagainsoon.2.ItissaidthatYetisareheavilybuilt.Yetisaresaidtobeheavilybuilt.用心爱心专心116号编辑3.Wherehaveyouputthebook?Ican’tfinditanywhere.4.Youlooktired.Whathaveyoubeendoingallthemorning?Recentlywehavebeenmeetingeachother.B.Grammar:Presentperfecttenseandpresentperfectcontinuoustense1)现在完成时I.构成:have/has+doneII.用法:1、现在完成时表示一个发生于过去,但该动作对现在产生影响或结果;2、现在完成时表示一个开始于过去,且一直延续到现在的动作或状态;3、表示说话前发生过一次或多次的动作,一般译为“过”,常带有:once,twice,never,threetimes,Howmanytimes….III.注意点:1、能用于现在完成时的时间状语有:already,yet,ever,never,just,uptonow,thepastfewyears,before(用于句末),since,for,或包括现在在内的:now,today,thisweek,thismonth,thisyear,…2、在现在完成时的句子中,不能用表示过去的时间状语,如:yesterday,lastweek,…ago,…e.g.—Haveyouseenthefilm?—Yes,Isawitlastweek.—Haveyouhadsupper?—Yes,Ihaditathome.Wehaven’tfinishedtheworkyet.Weneedtwomoredays.—Howlonghaveyoubeenhere?—Forhalfanhour/Sincemorning.3、所有动词都可以用于现在完成时,但如果句中用了表示一段时间的时间状语时,一次性动词必须改为延续性动词。但一次性动词的否定形式可以和表示一段的时间连用。e.g.Hehasn’tcomeherefortwodays.2)现在完成进行时I.构成:have/has+beendoingII.用法:1、一个刚结束的动作,但对现在造成了直接的影响。e.g.—Youlooktired.—Yes,Ihavebeencleaningtheroomforthreehours.Wehavebeenworkingforfivedaysthisweek.Nowweshallhaveagoodrest.2、一个发生于过去,但一直延续到现在,且还要持续下去的动作。e.g.Ihavebeenteachinginthisschoolfortwentyyears.HowlonghaveyoubeenstudyingEnglish?3、现在完成进行时往往指动作带有重复性,而现在完成时无这一含义。e.g.Haveyoubeenmeetingherrecently?(经常性)Haveyoumetherlately?Hehasbeenphoningmeeverynightforseveralweeks.4、现在完成进行时比较生动,含有明显的感情色彩,而完成时只强调一个事实,一种影响或结果,无感情色彩。e.g.Whathaveyoubeendoing?C.f.Whathaveyoudone?We’vebeenwaitingforyouforalongtime.I’vebeendoingmyworkregularly.c.f.Heisbeingfriendly.用心爱心专心116号编辑用心爱心专心116号编辑