高一与人教版三四单元Unit3-4单词详解 原创.ppt

Unit3-4 By Yolanda advance的用法 ▲构词：advanced adj. 高等的．先进的，高深的 ▲搭配： ① in advance 在前头，预先，事先 ② in advance of 在……前面；比……进步；超过 ③ on the advance (物价)在上涨 【考例】It is said that Miss White had some difficulty in studying the ____ maths. A. improved B. developed C. advanced D. increased [考查目标] 本题考查形容词advanced与近义词的区别。 [答案与解析]C “高等数学”的英译是advanced maths，advanced意思是“先进的。高级的”。 before 的特殊用法 (1) He had run out of the room before I could stop him.我还没来得及拦住他，他就跑出了屋子。 (2) Three weeks went by before We knew it. 三周过去了，我们才意识到。(或：时间不知不觉已过三周了。) (3) It wasnt / didnt take long before he returned.他没过多久就回来了。 It wont be long before we graduate. 不要过多久我们就要毕业了。 chance的用法 ▲搭配： ① by any chance 万一，碰巧，或许 ② by chance 偶然，意外地 ③ take a / ones chance 冒一冒险，碰碰运气，利用一下机会 consider (1) 考虑 A) consider + n. / doing I consider going abroad. B) consider + 疑问词 + to do You have to consider what to do next. (2) 认为 A) consider + n. (+as / to be) + n. / adj. I consider Mary as / to be my best friend. They considered Paris the brain and heart of the country. B) consider + n. + to have done I consider him to have acted disgracefully. 除了consider…as…表认为外，还有regard…as …，look on…as…，take…as…，think of…as… cost的用法 ▲ 构词：costly adj. 昂贵的，贵重的 ▲ 搭配： ① cost sb. sth. 花费某人(多少钱)；让某人付出(代价)／牺牲…… ② at all costs 不惜任何代价．无论如何 ③ at any cost 不惜任何代价，无论如何 ④ at cost (price) 按成本价格，按原价 ⑤ at the cost of 以……为代价，用……换来的；丧失；牺牲 【考例】They wondered how much this kind of car would ____ them. A. pay B. spend C. cost D. waste [考查目标] 本题考查cost和它的几个近义词的区别。 [答案与解析] C cost的意思是“耗费”，主语是指物的 名词．而pay和spend等的主语是指人的名词。 effect n. 效果；作用 have an effect on sth.‘ (1) be of no effect 无效 (2) come into effect 开始生效；开始实行 [比较] affect vt. 影响 The climate affected the amount of the rainfall. experience ▲构词: experienced adj. 有经验的，熟练的 ▲搭配: ① by experience 凭经验；从经验中 ② from experience 凭经验；从经验中 ③ gain experience in… 获得……经验 ④ be experienced in… 某方面有经验 ▲友情提示: experience这个词作为可数名词用时，解释为“经历”，作为不可数名词用时解释为“经验”。 【考例】 (2005山西模拟) __