2、e17.Step4:Self-studyandCooperation(自主学习与合作探究)ReadthepassagesandtranslatethemintoChineseinyourgroup.读下列句子,掌握occur和strike的意思和用法。occur vi. occurred . occurring发生:Idon'twantsuchathingtooccuragain.我不希望再发生这样的事情。出现;存在:Disputesoccasionallyoccurredbetweenus.我们之间偶尔也会有一番争论。Fishdoesn'toccurintheriver.