学科：高中英语
版本：人教版
年级：高三
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级别：教案
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发布时间：2008-09-09
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高三英语教案 结构分析亦奏效
做完形填空时，除了通读全文了解大意，理清逻辑，还要透析文意，对文章细节或句子结构进行分析，根据文章大意，仔细推敲，综合考虑，选中答案。考生往往忽视句子结构分析这一环节，失去机会，导致错误答案，孰不知结构分析亦奏效。
●难点磁场
1.(★★★★★) He wanted scissors. 51 do you suppose he asked for them?
(NMET 2002)
(51) A. What B. How C. Who D.Which
2.(★★★★★)…and they said that they had even caught Yetis on two occasions though none has ever been produced as evidence. But , 50 ,no evidence has been produced.
(NMET 2001)
(50) A. so B. besides C. again D. instead
3.(★★★★★) Other times they begin to act without thinking; they try to find a solution by trial and error. 28 , when all of these methods fail ,the person with a problem has to start analyzing. (NMET 2001春季)
(28) A. Besides B. Instead C. Otherwise D. However
4.(★★★★★)Someone had taken the real diamond and put a faulty one in its place. The question was: who 55 it?
(55) A. copied B. made C. stole D. did
●案例探究
1.They 1 man with food, fuel for burning and building material in the form of wood. 2 trees it wound be impossible 3 houses, boats and even bridges.
(1) A. give B. provide C. need D. take
(2) A. No B. Unless C. Without D. Not having
(3) A. to build B. to found C. establish D. set up
解析：这三个题都是必须通过结构分析来获得答案。
第1题选B。此题为四星级题。分析此句，能和with搭配使用的选项只有provide。“provide sb. with sth.”意为“给某人提供某物”。
第2题选C。此题为五星级题。从句意分析，此句中的would be是虚拟语气，表示“如果没有树，是不可能的”。而事实恰好与之相反，据此可知without trees含有条件意味，是介词短语作状语，如选A，No trees是名词短语，如选B，without后要接从句，所以A和B在语法上都不通。Not having trees只能作名词短语，表示原因，此处逻辑不通。