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? The critically endangered languages
are those that are only spoken by the elderly .
? 4Qs: 主干；先行词；引导词；在从句中成分
? 【练2/2 】 怀疑电脑将会带来的好处很重要。 （剑1,G,W）
? Q1: 主干 ? It is important to doubt/suspect the benefits. ? Q2：先行词 -------benefits ? Q3: 引导词 ------that ? Q4: 在从句中成分： --------宾语
? Q1：主干
? This must be harmful to all the people. ? Q2: 先行词 ----people ? Q3: 引导词 ----who ? Q4: 在从句中成分：主语
? This would definitely be detrimental to all the people who work or live within a fivemile radius.
? 【练1/2】工业化国家的这项指标从8.3年上升到 10.2年，这表明工业化国家的受教育年限明显加 长了。（剑3，T3，W）
? In industrialized countries, this number rose from 8.3 to 10.2, which shows that the length of education in industrialized countries is significantly longer.
? 3. If everything they do must have some educational or academic relevance, then they will soon get tired of studying altogether, which is the last thing parents would want. (剑3,G,TA,W)
找出句子主干
? 1. When anyone opens a current account at a bank, he is lending thБайду номын сангаас bank money repayment of which he may demand at any time, either in cash or by drawing a cheque in favor of another person.
? 4Qs:主干；先行词；引导词；在从句中成分
? 【练2/2】 1994 到1995 年期间出现了很大的增 长，这种情况在未来的几年里很可能还会持续下 去。（剑3 ，T2 ，W）
? Q1: 主干
? There emerged a great increase. ? Q2: 先行词 ----- 整句话 ? Q3: 引导词 -----which ? Q4: 在从句中作成分： 主语
? I would like to tell you about a special teacher who had a big influence on my education.
? 4Qs:主干；先行词；引导词；在从句中成分
? 【练2/2】 这一定会有害于居住和工作在半径5 英里范围内的所有人。（剑3,G,TB,W）
? There emerged a great increase from
1994 to 1995, which likely continued into the following years .
③who ：
? (1) 先行词：人 ? (2) 在从句中成分：主，宾，表
? 【练1/2】我想跟你谈谈一位特殊的老师，他 对我的教育产生了重大影响。（剑3,T1,S）
? 2. If you're unsure about things, each floor has an elected “floor senior” who is usually a student in their third or fourth year of study who's been at Smith House for a while. (剑2,T2,L)
?定语从句
两大基本概念：
? Many companies employ pe_o_p_l_e_wh_o__ has red hair.
? 先行词：??
? 被定语从句修饰的词叫先行词。
?
一般由: 名词,代词,短语,句子 充当
? 引导词/关系词：??
? 引导定语从句的词叫引导词。
?
引导词是区分主句和从句的重要标准。
? 4, As you can see, the building you're in now which contains this main lounge, the dining room, the recreation room, the kitchen and the offices was part of the original old house, built in the 1840s to be used by the family of George Smith .(剑 2,T2,L)
引导词
? 关系代词： ? that ， which, who ，whom ，whose ? 关系副词： ? when ，where ，why
关系代词
①that ：
? (1) 先行词：人/物 ? (2) 在从句中作成分：主，宾，表
? 【练1/2 】受到严重威胁的语言是那些只有老人 在说的语言。 (剑4 ，T2 ，R）
? It's important to be suspicious of the benefits that computer will bring.
②which ：
? 【用法一】： = that ? (1) 先行词：物 ? (2) 在从句中成分：主，宾，表 ? 【用法二】： ? (1) 先行词：整个句子 ? (2) 在从句中成分：主，宾，表 ? (3) 特点：which 前出现逗号。
