Period 3 语言知识讲练(Understanding ideas) 1．association n．协会，社团；联系，联想 (1)in association with ．．． 与……合伙/合作 (2)associate v． 联想；联系；交往 adj． 副的 associate．．．with．．． 把……和……联系在一起； 由……联想到…… be associated with ．．． 和……有关 associate with sb． 与某人交往或常打交道 [即学即练] 单句语法填空/句式升级 ①Never associate with bad companions． ②In the children's minds，summer is associated (associate) with picnics． ③We are working in association (associate) with a local company to raise money for the homeless． ④The first step to making friends is associating (associate) with other people． ⑤(普通表达)He was associated with the murder，so he was arrested． (高级表达)Associated with the murder，he was arrested．(用过去分词短语作状语改写) 2．attach vt．附上，系上，贴上；重视 (1)attach ．．．to ．．． 把……附在……上，把……固定到……上 attach oneself to sb． 和……在一起，缠着 attach importance/significance to ．．． 认为……重要/有意义 (2)attached adj． (作表语)依恋的；所附的 be attached to 附属于；依恋 (3)attachment n． (用电子邮件发送的)附件，附属物； 依恋；拥护 [即学即练] 单句语法填空/完成句子 ①She is admitted to the high school which is attached to Peking University． ②This research centre attached(attach) to the university is in the charge of Mr Smith． ③He attached himself (he) to me at the party and I couldn't get rid of him． ④说实在的，许多年轻人把名和利看得很重。 To be honest，a lot of young people attach great importance to becoming rich and famous． ⑤这个老人非常依恋旧的风俗习惯。 The old man is very attached to old customs and habits． 3．give way 倒塌，向下垮；让路 give way to 给……让路；被……代替 give back 归还；使恢复 give in (to) 屈服；让步 give up 放弃 give out 分发；用完；耗尽；发出 give off 发出，放出(气味、光等) give away 暴露(自己的情况)；赠送；泄露(秘密) [即学即练] 单句语法填空/完成句子 ①He gave away all his books to the children in the mountains． ②After a month their food supplies gave out． ③He is such a determined person that he will never give way to any difficulties． ④This overpass might give way during an earthquake． ⑤My family insisted that I should not give in/up, but stay and fight． ⑥勿以恶小而为之，勿以善小而不为。 Do not do evil things though they may be insignificant．Do not give up good things though they may be minor matters． ⑦他应该让位于更年轻、更有决断力的领导者。 He should give way to a younger, more decisive leader． 4．sharpen v．使提高，使改进；(使)变得锋利，变得清晰；加强，加重；使尖锐；使明朗 (1)sharpen up (使)提高，改善 (2)sharp adj． 敏锐的；锋利的；(变化)急剧的； 猛烈的；响亮的；严厉的 adv． (指时刻)整；向左/右急转 be sharp with sb． 对某人严厉 (3)sharply adv． 急剧地；严厉地；鲜明地，明显地 sharpener n． 磨具 [即学即练] 单句语法填空/完成句子 ①Hardly had Sabrina finished her words when Albert said sharply (sharp)，“Don't be so mean，”pointing a finger of warning at her． ②Memories can be destroyed if t ... ...
