学术英语 社科（英文课件）.ppt

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1、用一个半导体功率器件作为开关，该器件不断地重复开启和关断，使得输入的直流电压在通过这个开关器件后变成了方波，该方波经过电感学术英语社科AcademicEnglishforSocialSciencesdocin/sundae_meng1用一个半导体功率器件作为开关，该器件不断地重复开启和关断，使得输入的直流电压在通过这个开关器件后变成了方波，该方波经过电感docin/sundae_meng2用一个半导体功率器件作为开关，该器件不断地重复开启和关断，使得输入的直流电压在通过这个开关器件后变成了方波，该方波经过电感Unit1Decision-MakingBehaviorsinEc

2、onomicUnitContentsActivities•Lead-in•TextA•TextB•Listening•Speaking•Writing3用一个半导体功率器件作为开关，该器件不断地重复开启和关断，使得输入的直流电压在通过这个开关器件后变成了方波，该方波经过电感Unit1Decision-MakingBehaviorsinEconomicActivities•Lead-in–Readingcritically:questionsfordiscussion4用一个半导体功率器件作为开关，该器件不断地重复开启和关断，使得输入的直流电压在通过这个开关器件后变成了方波，

3、该方波经过电感Unit1Decision-MakingLead-inBehaviorsinReadingcritically:questionsfordiscussionEconomicActivitiesReadingcritically:Everytextiswrittenonapurpose,somearesupposedtomakeyoubelieve.Itisimportanttolearntoreadcriticallytogetthepoint.Onewayoftrainingcriticalreadingistoaskyourselfthefollowing

4、questions:lWhatistheauthortryingtoprove?lWhatistheauthorassumingIwillagreewith?lDoyouagreewiththeauthor?5用一个半导体功率器件作为开关，该器件不断地重复开启和关断，使得输入的直流电压在通过这个开关器件后变成了方波，该方波经过电感Unit1Decision-MakingLead-inBehaviorsinReadingcritically:questionsfordiscussionEconomicActivitieslDoestheauthoradequatelydefe

5、ndtheirargument?lWhatkindofproofdotheyuse?lIstheresomethingtheyleaveoutthatyouwouldputin?lDoesputtingitinhurttheirargument?6用一个半导体功率器件作为开关，该器件不断地重复开启和关断，使得输入的直流电压在通过这个开关器件后变成了方波，该方波经过电感Unit1Lead-inDecision-MakingBehaviorsinReadingcritically:questionsfordiscussionEconomicActivitiesDiscussth

6、efollowingquestions:lHowdoyoumakethedecisionthatyoutakethiscourse?lWhatdoyouconsiderwhenyoumakethisdecision?7用一个半导体功率器件作为开关，该器件不断地重复开启和关断，使得输入的直流电压在通过这个开关器件后变成了方波，该方波经过电感Unit1Decision-MakingBehaviorsinEconomic•TextAActivities•Keyterms•Criticalreadingandthinking•Difficultsentences•Englishla

7、nguageforacademicpurpose•Specializedvocabulary•Collocations•FormalandinformalEnglish•Signpostlanguage8用一个半导体功率器件作为开关，该器件不断地重复开启和关断，使得输入的直流电压在通过这个开关器件后变成了方波，该方波经过电感Unit1Decision-MakingTextABehaviorsinKeytermsEconomicActivitieslrationalpeople:理性人Thosepeoplewhosy