Unit2WorkingthelandPartⅡLearningaboutLanguage&UsingLanguage课前自主预习Ⅰ.重点单词1．____________n．细菌2．____________n.害虫；害兽；害鸟3．____________n.营养；滋养；食物4．____________n.焦点；中心点vt.集中；聚焦5．____________n.土壤6．____________vt.减少；减缩7．____________n.根；根源8．____________vt.浏览；略读9．____________vt.画底线标出；强调10．____________n.评论；议论vi.&vt.表达意见；作出评论[答案]1.bacteria2.pest3.nutrition4.focus5．soil5.reduce7.root8.skim9.underline10．commentⅡ.词汇拓展1．__________vt.使迷惑；使为难→__________adj.困惑的；烦恼的→__________令人困惑的→__________n.困惑；混乱2．__________vt.遗憾；惋惜n.遗憾；懊悔→__________adj....
