Unit9Whenwasitinvented?Unit9Whenwasitinvented?Period1SectionA1a-2cWordsPeriod1SectionA1a-2cWordsThefourgreatinventionsPrinting,gun...
Unit9Myfavoritesubjectisscience.SectionA1a—2c学习目标1.能够运用以下句型进行交流：What’syourfavoritesubject?Myfavoriteis…2.熟记...
