选修2 UNIT 5 EDUCATION 第2课时 重点词汇的深化学习（Word教参）-【创新方案】2024高考英语一轮复习（新教材 新高考 北师大版）

1．significance n．重要性，意义 (1)be of (great/no/little) significance to ... 对……(很/不)重要 attach (great) significance to ... 认为……(很)重要 (2)significant adj. 重要的；重大的 significantly adv. 重要地；有重大意义地 [名师指津]　 (1)“be of＋抽象名词”相当于“be＋抽象名词的形容词”。抽象名词前可加形容词no, little, great, some, any, much等。如： be of value＝be valuable; be of importance＝be important; be of use＝be useful; be of benefit＝be beneficial; be of help＝be helpful (2)be of＋表示大小、颜色、类别的名词(colour, age, size, height, weight, shape, type, kind, quality等)，在这些名词前常用 different, all, the same, this, that, a(n)＋形容词等词来修饰或说明。 [演绎法练通] (1)单句语法填空/完成句子 ①This is why decorating with plants, fruits and flowers carries special significance (significant)． ②The effects of the sun can be significantly (significant) reduced if we follow certain guidelines. ③He attaches_great_significance_to taking a positive attitude to life. 他非常重视以积极的态度对待生活。 (2)同义句转换 ④(2021·全国乙卷)It is very significant to be smart online learners. →It is of_great_significance to be smart online learners. 2．insist vi.坚称；坚持主张 (1)insist on/upon (doing) sth.　　 坚持(做)某事 insist＋(that)从句 坚持要；坚持要求；坚持认为 (2)insistence n. 坚持；坚决主张 [名师指津]　在“insist＋(that)从句”中，如果insist表示“坚持要；坚持要求”，从句用虚拟语气，谓语用“should＋动词原形”，should可以省略；如果insist表示“坚持认为”，从句用陈述语气，谓语的时态根据具体情况而定。 [演绎法练通] (1)单句语法填空/完成句子 ①She insists on/upon us eating healthy food. ②Her parents were united in their insistence (insist) that she go to college. ③His friends insisted he had (have) no connection with the accident. ④His friends insisted he (should)_take (take) a taxi instead of driving his own car after drinking some wine. ⑤She kept insisting_on_her_innocence. 她再三坚称自己无罪。 (2)句式升级 ⑥He insisted that he was right.He didn't change his mind.(用非谓语动词作状语) →Insisting_that_he_was_right,_he didn't change his mind. 3．puzzle vt.使困惑，使迷惑 n．疑问，不解之谜 [语境化辨义]　(写出下列句中puzzle的词性及含义) ①Data from Voyager Ⅱ has presented astronomers with a puzzle about why our outermost planet exists.n.令人困惑的事物 ②I'm doing a word puzzle in this newspaper.n.猜词游戏 ③What puzzles me is why he le