Lesson4SeaStories-vocabulary学案

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1、精品推荐范文学习Lesson4SeaStories-vocabulary学案Lesson4SeaStories-vocabulary学案重点短语【短语1】watchout【课文原句】Theyhaveahugemouthandcaneatfishasbigasthemselves.watchout!【名师点拨】watchout在这里的意思是"当心；注意",相当于lookout或becareful。如:you’llcatchcoldifyoudon’twatchout.【知识拓展】watchout后接名词时，要与for连用，意为"小心"。如：Inpublicplacesever

2、yoneisrequiredtowatchoutforthieves.I’malwayswatchingoutformistakesthatImayhavemissedbefore.【短语2】allatonce【课文原句】Allatonce,theskywascoveredwithdarkcloudsandinlessthanaminutewewereinaterriblestorm.【名师点拨】allatonce是副词短语,相当于suddenly,意为"突然"。如:Allatonceshelosthertemper,whichmadeallthepeoplepresent

3、dumbfounded.【知识拓展】allofasudden与allatonce都是副词短语,都有"突然"的意思,但allofasudden精品推荐范文学习更强调"精品推荐范文学习出乎意料地",即unexpectedly。如:Allofasudden,thetireburst;wehadtostoponhalfway,consideringwhattodo.allatonce还有"同时,一下子,马上"的意思。如:onhearingthenewsofhisillness,hedrovetoseehimallatonce.【短语3】pickup【课文原句】Intheend,ab

4、oatpickedmeup.【名师点拨】pick常作及物动词,意思是"选择；挑选；采；摘"。在本句中picksb.up是一个固定词组,意思是"营救,搭救"。如:Shepickedthebestcakeforherself.wepickedupasmanypeoplefromtheburningshipaswecould.【知识拓展】.pickup还有其他意思:1)接人；2)让人乘车；搭载；3)学得:通过学习或经历获得。2.pick还能与其他介词搭配构成固定短精品推荐范文学习语,如:pickonsb./sth.找别扭；故意刁难挑剔；picksb./sth.out精心挑选；辨认

5、出；picksth.over用心挑选；筛选。精品推荐范文学习