Unit1 Food for thought重要词汇详析 学案 2022-2023学年高中英语外研版必修第二册

2023必修二UNIT 1 Food for thought重要词汇详析 重要单词 1. dare modal verb 胆敢,敢于 【相关用法】 (1)dare用作情态动词时,其后接动词原形,通常只用于否定句或疑问句以及if或whether之后。 例:I don’t know whether he dare try.我不知道他是否敢尝试一下。 (2)dare用作实义动词时,其后多接带to的动词不定式,可用于肯定句、否定句或疑问句,也可用于非谓语动词形式或完成时态等。 例:We don’t dare to say a word unless she asks us to.如果她不要求,我们连一句话也不敢说。(3)I (3)dare say“大概,很可能,我想”, 表示的是一种不肯定的语气。 例:I dare say that you are right. 我想你是对的。 2. typical adj.典型的,有代表性的 【相关词汇】typically adv._be typical of_; 例:This advertisement is a typical example of their marketing strategy. 这则广告是他们营销策略的一个典型例子。 【巩固练习】 1.It was typical_him to be so merciless. 2._(typical), he would come late and then say that he had to go early. 3. suffer v.(身体或精神上)受苦 【相关词汇】suffering n._suffer from_ 例:To our surprise, the company suffered great losses.令我们惊奇的是,这家公司遭受了巨大损失。 【名师指津】 (1)suffer 后常接痛苦(pain)、寒冷(cold)、饥饿(hunger)、损失(loss)等抽象名词。 (2)suffer from 后常接疾病的名称或造成不幸、痛苦的事物的名称。 【巩固练习】 1. _(suffer)from heart trouble for years, Professor White must take some medicine with him wherever he goes. 2.The old man is said to have gone through varieties of_(suffer) during the war. 4. symbol n.象征,标志 【相关词汇】the symbol of _the symbol for_ 例:From this point, beauty is “symbol of freedom”. 从这个意义而言,美是“自由的象征”。 White has always been a symbol of purity in Western cultures.在西方文化中,白色一直是纯洁的象征。 What is the chemical symbol for copper?铜的化学符号是什么? 【辨析比较】symbol, signal, mark symbol“象征,符号”,常指作为象征意义的特殊事物,尤指用有形的实物代表抽象的实体 signal“信号,暗号”,侧重指声音或动作的暗示 mark指为了易于辨认而做的“记号”或在某一物体上留下的“痕迹”,也有“分数”之意 【巩固练习】选择上述单词填空 1.In our class, when the bell rang and the teacher closed his book, it was a _for everyone to stand up. 2.Red is a_of good luck in many cultures. 3.I put a_ in the margin to remind me to check the figure. 5. related adj.有关系的,相关的 【相关词汇】 (1)(be) related to_ (2)relate vt. _relate ... to/with .._relate to_ (3)relation n._in/with relation to_ 【巩固练习】用以上的词汇填空 ①This letter_ the sale of the house. ②I can’t _what you said_what I saw. ③I have a lot to say_that thing. 6. diet n.日常饮食 vt._vi._ 【相关词汇】be on a