安徽省明光英普辅导中心高考英语二轮复习精品课件：介词与连词_高考复习指南

安徽省明光英普辅导中心高考英语二轮复习精品课件：介词与连词

　　高考英语二轮复习：介词与连词课件数词一、hundred, score, dozen的用法 1．hundred, score, dozen的单复数问题： (1)与数词连用时，其不用复数。如：four dozen eggs。 Z

　　k (2)表示“许多”(约数而不是确定的数，后接of)时，要用复数形式。即hundreds of, scores of, dozens of。 2．后接of与不接of的情况： hundred, dozen, score后的名词前有定冠词、指示代词、物主代词等限定词时，须用of；其后的名词前如果没有定冠词、指示代词、物主代词等限定词时，不用of。 Four hundred of the students of their school took part in the physics competition. four score doctors of the hospital three score of the nurses in our hospital ◆链接Z

　　k 分数表达法：分子用基数词，分母用序数词，如果分子大于1，分母用序数词的复数形式。如：one－fifth, three－sevenths 1/2, 1/4, 3/4分别表达为：a/one half, a quarter, three quarters

　　百分数表达法：由基数词＋percent或百分比符号%构成，如：80%或eighty percent。二、倍数表达法两倍用twice，三倍或三倍以上用．..times。倍数表达有三种形式： 1．...times＋as＋形容词或副词的原级＋as... 2．...times＋形容词或副词的比较级＋than... 3．...times＋the＋名词＋of... Our classroom is three times as large as theirs. Our classroom is four times larger than theirs. Our classroom is four times the size of theirs. ◆链接其他的表示“倍数”的几个句型。 ①倍数＋that of...； ②倍数＋what引导的名词性从句； ③比较级＋than...＋by＋倍数。典例　(南昌调研，30)According to statistics, a man is more than twice as likely to die of skin cancer ________ a woman. A．than　B．such　C．soD．as 解析：D。考查倍数表达法。句意：根据数据，男性死于皮肤癌的可能性是女性的两倍还要多。twice as...as表示“是……的两倍”。介词介词又叫前置词，是一种虚词，不能单独充当句子成分，必须与名词或代词(或相当于名词的其它词类、短语或从句)构成介词短语。介词形式有四种：简单介词 above, at, below, beside, for, in, on, over, since, to, under, with等。合成介词 inside, into, out of, without等短语介词 because of, in front of, instead of, in spite of等双重介词 from behind, until after等　一、介词短语的作用 1．作定语 The key to the door is missing. 这扇门的钥匙不见了。 The students of Senior Three have gone to the Summer Palace. 高三年级的学生已经去颐和园了。 2．作状语 Catherine stayed in Paris for some time and then went to Sweden. 凯瑟琳在巴黎逗留了一段时间，然后去了瑞典。 Mr. Nice hurried to the hotel when he arrived at the Hethrow Airport. 尼斯先生一到希思罗机场，就匆匆忙忙去了旅店。 3．作表语 Japan is to the east of China. 日本位于中国东面。 The football team is from Spain. 这只足球队来自西班牙。 4．作宾语补足语 Make yourself at home. 别拘谨。