Part Ⅱ Learning about Language & Using LanguageⅠ.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.bacteria 2.pest 3.nutrition 4.focus5．soil 5.reduce 7.root 8.skim 9.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. 遗憾的；后悔的→__________adv. 遗憾地；痛惜地3．__________adj. 化学的；关于化学的→__________n. 化学4．__________n. 矿物；矿石→__________n. 矿；矿山5．__________n. 生产；制造→__________vt. 生产；制造→__________n. 生产者；制片人6．__________n. 发现；发觉→__________vt. 发现→__________n. 发现者7．__________n. 总结；摘要；概要→__________vt. 总结；概括[答案] 1.confuse；confused；confusing；confusion2．regret；regretful；regretfully 3.chemical；chemistry4．mineral；mine 5.production；produce；producer6．discovery；discover；discoverer7．summary；summarizeⅢ.重点短语1．cause damage to __________________2．wash off __________________3．build up __________________4．lead to __________________5．集中(注意力、精力等)于 __________________6．使……免受(影响、伤害等)；使……不含(有害物) __________________7．另外 __________________8．转向；向……求助 __________________9．每(隔)几年 __________________ [答案] 1.给……造成损害 2.将……洗掉；洗净3．逐渐增强；建立；开发 4.导致；造成(后果)；通向……5．focus on 6.keep...free from/of 7.in addition8．turn to 9.every few yearsⅣ.重点句式1．have been doing 现在完成进行时Recently，however，scientists __________________that longterm use of these fertilizers can cause damage to the land and，...
