Unit 6 How long have you been collecting shells?学习目标引导与词汇突破 - 给力英语
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Unit 6 How long have you been collecting shells?学习目标引导与词汇突破

发布:englishfan    时间:2009-07-22 08:31:17     浏览:2311次    [划词翻译已启用]
Unit 6 How long have you been collecting shells学习目标.doc (文件大小:22.00 KB)
词汇突破
 
1. since prep. & conj. & adv. from a time in the past until the present, or in that period of time 自从……以后;从……以来
【示例】
She's been off work since Tuesday. 自星期二以来她一直没上班。
【用法点击】
since 有介词、连词和副词三种用法,但基本词义相同,表示“自……以后;从……以来”
(1)用作介词,例如:I haven't eaten since breakfast. 我吃了早饭到现在还什么也没吃呢。
(2)用做连词,引导时间状语从句时,多用一般过去时。例如:Where have you been since I last saw you? 自从我上次见到你以后,你到哪儿去了?since 作为连词,还可以表示“因为;既然”,例如:Since we have no money, we can't buy a new car. 因为我们没钱,没法买新车。
(3)用做副词,例如:He left home two weeks ago and we haven't heard from him since. 他两星期以前离开了家,到现在我们一直没有他的消息。
辨析since和for:
since 常与表示过去的具体时间或动作连用;当指过去的一段时间时,应该用for。例如:I've been learning English for five years.(表示学了五年时间,因而用for),而不能说I’ve been learning English since five years. 但可以说:I've been learning English since five years ago.(表示学习是从五年前的某个时间开始的,因而用since)。
【词汇拓展】
    常用搭配:ever since 从过去某时间以来到现在since then 从那时开始
 
2. raise  v. to bring or collect money or people together 筹集;征集;召集;组建
【示例】
Today many countries hold marathons to raise money to help cancer patients. 如今,许多国家举行马拉松比赛为癌症病人筹集资金。
【用法点击】
raise 用作动词,常用的词义还有:(1)“提升;举起;提起”,例如:The girl raised her hand to answer the question. 那个女孩举手想回答问题。(2)“增加;提高”,例如:I've never heard him even raise his voice. 我甚至从未听到他提高过嗓门。(3)“抚养;养育”,例如:It's hard for her to raise two children by herself. 她一个人独立抚养两个孩子太难了。
辨析raise和rise:
raise和rise都表示“举起;提高;上升”,但二者在用法上有着明显的区别。raise 是及物动词,直接接宾语,例如:He raised his eyes from his work. 他停下工作举目观看。rise 是不及物动词,与介词连用,后接宾语,例如:The chairman rose from his chair and came forward to greet her. 主席从椅子上站起来,并上前和她打招呼。
【词汇拓展】
常用搭配:raise one's glass (to somebody) 举杯祝酒
                 raise one's eyebrows 扬起眉毛(表示不赞同或惊讶)
                 raise the roof 大声喧哗;闹翻天
 
3. quite adv. to some degree 颇;相当;某种程度上
【示例】
I'm quite happy to wait for you here. 我很高兴在此等候您。
【用法点击】
quite 用作副词,同形容词连用,但置于不定冠词a或an之前。例如:可以说It's quite a small house. 或The house is quite small. 但不能说It's quite small house.
辨析quite和very:
(1)quite是程度副词,可修饰形容词、副词以及动词;very也是程度副词,可修饰形容词、副词,但不能直接修饰动词。
例如:可以说I quite agree with you. 但不能说I very agree with you.
(2)有时两者可通用,但份量上very比quite重。试比较:
His French is quite good. ( = not bad) 他的法语不错。
His French is very good. ( = excellent) 他的法语好极了。
(3)注意quite和very与不定冠词连用时的位置:
It is quite an interesting story.
It is a very interesting story.
【词汇拓展】
    常用搭配:quite a lot (of something) 许多;大量
【记忆导航】
       quite与quiet(adj. 安静的)词形相近,可以比较记忆。
 
4. store vt. to put something somewhere and keep it there to use later   贮存;贮藏;保存
【示例】
Many animals like to store food for the winter. 很多动物会贮存过冬的食物。
【用法点击】
store 还可以用作名词,表示“商店”,同名词shop。例如:chain store连锁商店。还常用于词组a store of something,表示“积累而成的巨大数量”,例如:She keeps a store of amusing stories in her head. 她头脑里有许多有趣的故事。
【词汇拓展】
    相关词:storehouse n. 仓库    storekeeper = shopkeeper n. 店主
                     storeroom n. 贮藏室    bookstore n. 书店
    谚语:Rear sons for help in old age; and store up grains against

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