人教新目标八年级英语上册学案：unit7SectionB词汇点睛.doc

词汇点睛一、基础词汇1.宇航员2.公寓3.火箭4.太空站5.甚至6.仆人7.危险的8.已经9.工厂10.简单的11.相信12.不同意13.落下14.可能15.不可能16.一方17.或许大概18.假期19.在…期间二、重点词汇讲解。[来源:ZXXK]1.even(1)even为副词“甚至更”后面可接形容词的比较级。Eg:BobisverytallTomiseventallerthanBob.(2)even还可和“if”连用构成词组“evenif”相当于“eventhough”意为“即使”。[来源:]Eg:We’llgoevenifhedoesn’tcome.[来源:ZXXK]2.dangerousdangerous为形容词“危险的”其名词形式是danger构成词组“indanger”在危险中“outofdanger”脱险。Eg:Tigersaredangerousanimals.Thedoctorsaidthathisfatherwasoutofdanger.[来源:]3.alreadyalready为副词“已经”通常用于现在完成时放在肯定句里否定句和疑问句中要用yet.Eg:A:Haveyoufinishedyourworkyet?B:YesIhavefinishedalready.4.hundredaof(1)hundredsof意为“成百上千的数百的”。Eg:Therearehundredofboksinthelibrary.(2)hundred(百)thousand(千)million(百万)等词前有具体数字时其本身用单数形式直接修饰名词但“hundred”等词可以和“manyseveralsome”等表示不定数目的词连用并在后面接“of+复数名词”。Eg:Therearetwohundredbirdsinthetree.Shehasseveralhundredsofcamps.5.fallfall为动词“落下跌落”其过去式、过去分词分别为fellfallen。常构成词组fallbehind“落后”falloff“从…掉下来”fallasleep“入睡”。Eg:Studyhardoryou’llfallbehindothers.Hefelloffhisbikeandhurthisleg.6.lookforlookfor意为“寻找”强调寻找的过程“find”强调寻找的结果其宾语常为表示人或物的名词或代词“findout”强调发现的结果宾语常指某种现象、结论或某个问题的答案。Eg:I’mlookingformypenbutIcan’tfindit.Whofoundouttheanswertothisquestion.7.beableto(1)beabletodosth有能力干某事会干某事。Eg:I’mabletoswim.(2)beableto和can的区别：第一can只能用于现在时和过去时态中而beableto有多种时态;第二beableto可用于不定式结构而can不能;第三表示猜测时只能用can不用beableto;第四can无人称和数的变化而beableto有。Eg:Peoplewillbeabletoflytothemoononvacation.Anncan’trideabikebutweareabletodoit.8.probably(1)probably为副词“或许大概”常位于行为动词之前助动词、情态动词或系动词之后。Eg:Youareprobablyright.(2)maybeperhaps也为“也许”一般放在句首。Eg:Maybe/Perhapsheisapoliceman.(3)may也许放在谓语动词之前。Eg