2017届高考英语二轮复习课件 第21讲：词义猜测题（湖南专用）人教新课标版
<p> <span word="A">A</span> 根据下文的<span word="perform">perform</span>和本句的含义可知“如果他们给人们一些句子来听，那么他们就会发出同样的神经元和进行一些行为动作一样。”所以画线部分单词意为“发出”和<span word="set">set</span> <span word="off">off</span>近义。 Ⅳ. 根据构词法来猜测词义</p><p> 英语单词的构成方法主要有3种，即复合法、派生法和转化法。英语单词大多是由词根、词头(前缀)、词尾(后缀)所组成。词根是单词最基本的部分，表达单词的基本含义。在词根前头或后头加上前缀或后缀，可以用来引申或转变原词的意义。只要我们掌握了各种词根、词头、词尾的基本含义，那么就可以很容易地猜测所构成的新词的含义了。中学英语中常见的前缀和后缀有：</p><p> <span word="super">super</span>-(超), <span word="inter">inter</span>-(在……之间), -<span word="able">able</span>(能……的), <span word="mini">mini</span>-(极少的，微型的)，<span word="micro">micro</span>-(极微小的), <span word="re">re</span>-(再，反复), <span word="sub">sub</span>-(分支的，底下), <span word="co">co</span>-(共同), <span word="post">post</span>-(后), <span word="pre">pre</span>-(前), <span word="trans">trans</span>-(超越；转换), <span word="under">under</span>-(在……之下；低于……；不足), -<span word="hood">hood</span>(状态；性质；时期), -<span word="ish">ish</span>(如……的；有点儿……的); -<span word="proof">proof</span>(防……的；……不能穿透的), -<span word="scope">scope</span>(景), -<span word="ship">ship</span>(身份；资格；权力；性质), -<span word="some">some</span>(易于……的), -<span word="wards">wards</span>(向), <span word="mis">mis</span>-(误；恶), <span word="un">un</span>-(不；非), <span word="in">in</span>-(不；非), <span word="im">im</span>-(不； 非), <span word="dis">dis</span>-(不), <span word="non">non</span>- (不；非)，-<span word="less">less</span>(不；无), <span word="anti">anti</span>-(反；防), <span word="sino">sino</span>-(中国)。如： <span word="He">He</span> <span word="fell">fell</span> <span word="into">into</span> <span word="a">a</span> <span word="ditch">ditch</span> <span word="and">and</span> <span word="lay">lay</span> <span word="there">there</span>, <span word="semiconscious">semiconscious</span>,_<span word="for">for</span> <span word="a">a</span> <span word="few">few</span> <span word="minutes">minutes</span>.</p>
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