Unit5,Book6学案一.重点词汇的词义、词形变化及用法练习:1.n.火山____________adj.volcanic___________________volcanologyn._________________volcanologistn.________________2.vi.(火山)爆发_______________n.___________________3.n.灰;灰末___________________4.adv.在旁边;沿着边prep.在旁边(beside)__________eg.Thecarwasparked_________________(在马路边)andstruckbyathief.5.n.设备;装备____________(不...