Unit 8 Green Living 高频单词知识点课件-2023-2024学年高一英语北师大版（2019）必修第三册

Unit 8 高频词汇精讲 1 用法归纳 ①keep/　　　　     one's balance某人保持/失去平衡 ②　　　　     balance总的来说 ③strike/keep/maintain a balance between A 　　　　    B　在A与B之间取得/保持平衡  ④balance A 　　　　    B　比较A和B(两个相对的事物);权衡A和B的重要性 ⑤balance A 　　　　　    B　同等重视A和B(两个相对的事物或方面) lose on and against with/and 　　    1 | balance n.平衡 v.使保持平衡;相抵;同等重视;比较,权衡重要性 词汇拓展 balanced adj.平衡的;均衡的 a balanced diet 均衡的饮食 情景助记 balance的不同词义        Why bother travelling/to travel abroad when there are so many nice places at home?既然国内有 这么多好地方,何必费心出国旅行呢? I hate to be a bother, but could you show me how to use the recorder?我不愿麻烦你,但你能教我 怎么用这台录音机吗? 用法归纳  ①bother about/with sth.为某事而费心 ②bother sb. 　　　　    /about sth.使某人烦恼/担心某事 ③Why bother to do/doing...? 　　　　 　     ④can't/couldn't be bothered 　　　　    sth.懒得做某事 ⑤be bothered 　　　　    ...认为……重要/担心……  ⑥a bother令人烦恼的情况(或事物、人) with 为什么要费心做……？ to do about 2 | bother vi.& vt.费心,麻烦 n.麻烦;困难 用法归纳 ①involve sb. 　　　　    (doing) sth.使某人参与/加入(做)某事 ②involve 　　　　    sth.需要做某事;包括做某事 ③involve sb. 　　　　    sth.把某人牵扯到某事里,使某人卷入某事 词汇拓展 ①involved adj.参与的,有关联的,涉及的;复杂的 be/get/become involved in... 参与……;与……有关联;专心于…… •The more people are involved in protecting the ocean, the better the ocean environment is.参与 保护海洋的人越多,海洋环境就越好。 (写作—保护海洋) ②involvement n.参与;卷入;牵连;投入 特别提醒 形容词involved意为“复杂的”时,常作前置定语;意为“涉及的”时,常作后置定语。 in doing in  3 | involve vt.参与;包含;牵涉;影响 ②content adj.满意的,满足的;愿意的 be content with sth.对某事物满意/满足 be content to do sth.满足于做某事;愿意做某事 •The one who is content with what he has is always happy.知足者常乐。 ③content v.使满足 content oneself with sth.使某人满足于某事物 •She doesn't content herself with the current achievements, and strives for greater goals.她不满 足于目前的成绩,并为更大的目标而努力。 特别提醒 content作形容词时多用作表语,contented可用作表语或定语。 　　    4 | contented adj.满意的;满足的 用法归纳 ①sth. occur 　　　　    sb.某人想到某事物 ②it occurs/occurred to sb. 　　　　    ...某人想到…… ③it occurs/occurred to sb. 　　　　    sth.某人想到做某事 词汇拓展 ①occurrence n.[C]发生的事情,存在的事物;[U]发生,出现 •Tracking of 150 biochemicals in food has been important in revealing the relationships be- tween calo