NewConceptEnglishLesson88-89课件
日期:2010-05-12 05:25
使陷于困境surfacen地面,表面explosiven炸药vibrationn震动[vai5breiFEn]collapsev坍塌[kE5lAps]drillv钻孔/n练习,操练capsulen容器layern层beneathprep在之下lowerv放下,【Newwordsandexpressions】trapv陷入,降低progress[prEJ5^res]v进展,进行smoothlyadv顺利地【Newwordsandexpressions】Whyistherescuetakingsolong?Becauseitisdifficulttodrillaholethroughahardlayerofrock1Howmanymenhavebeentrappedinamineandforhowlong?2Whyarerescueoperationsprovingdifficult?3Whywasamicrophoneloweredintothemine?4Whyarethesixmencheerfuleventhoughtheyarerunningoutoffoodanddrink?1Howmanymenhavebeentrappedinamineandforhowlong?2Whyarerescueoperationsprovingdifficult?SixmenhavebeentrappedinamineforseventeenhoursBecauseexplosivescannotbeusedandbecausethereisahardlayerofrockbeneaththesoilwhichmakesdrillingdifficult3Whywasamicrophoneloweredintothemine?4Whyarethesixmencheerfuleventhoughtheyarerunningoutoffoodanddrink?Becausethise,
查看全部