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词性混淆误用一直是TOEEL考题中最重要的命题形式。它与“基本句子结构”(本书要点之1)和“平行结构”(本书要点之4)组成TOEEL命题的三大焦点。有关词性混淆的试题主要集中在written Expression (16-40题)中，命题范围包括(1)并列结构中词性一致、(2)形容词与副词混淆、(3)形容词与名词混淆、(4)名词与动词混淆。其中，形容词用错的题型占此类命题的最大比例。
词性混淆常考题型及解题要点
1. 并列连词and but or结构要求词性统一
全真例题分析
(1) Bigness. Boastful. And strong. Frontiersman Mike Fink was the subject of many folk tales. (93.3)
[答案] A 并列连词and连接三个形容词，故(A)Bigness应改为Big。
(2) The success of a naval ship is determined by its seaworthiness, speedy ,and maneuverability. (92.10)
[答案] D 并列连词and连接三个名词，而speed是形容词，故应改为speed。
(3) Regulation of public utilities in the United States is carried out by locally state and federal governments. (92.5)
[答案] D 并列连词and连接三个形容词性质的词，共同修饰后面的中心词governnenrfs 。而locally是副词，应改为local。
(4) In Middle Ages. Books called bestiaries were prepared in an attempt to describe animals, real or imagine, that exemplified human traits. (92.5)
[答案] B 并列连词or前面是形容词real。之后亦应是形容词imaginary。
2. 形容词错用为副词
解题要点 形容词用来修饰说明名词或名词性成分的，而副词则可修饰除名词以外的所有词性及句子成分。
全真例题分析
(1) Animal life on Prince Edward island is confined large to ducks. Pheasants. And rabbits (93.5)
[答案]C 修饰限定介词短语to ducks pheasants and rabbits 应用副词largely。
(2) The General Sherman tree a giant sequoia in California, has grown to be the world*s largest plant at approximate 272 feet tall.
[答案] D 修饰说明数词(272)应用副词approximately。
(3) Because its body is supported by water, the blue whale can grow to a size considerable larger than any land mammal alive today. (93.8)
[答案] 修饰形容词短语larger than…应用副词形式considerably。
(4) Once an important port of entry for immigrants to the United States. Island recent reopened its great hall s a museum of immigration. (92.8)
[答案] C 修饰整个句耶Ellis ls land reopened its great hall as a museum of immigration 应用副词recently，表示时间。
(5) Because their properties differ from those of their constituents. Proper alloys can great increase the corrosion resistance of a metal.
[答案] C 修饰动increase 应用副词greatly。
3. 以副词后缀-ly组成的副词错用为形容词
解题要点 A、B、C、D四个选择答案中如果有以-ly形式构成的副词，应首先考虑它的词性是否正确，是否错用为形容词。
全真例题分析
(1) Parrots have heavily bodies and exceedingly strong legs. (93.8)
[答案] A 修饰名词应用形从词。Heavily 应改为heavy。
(2) The katydid a type of grasshopper is actively at night and rests motionless amid foliage during the day. (93.8)
[答案] B 改为形容词active，作表语。
(3) Although the unified states experienced rapidly growth in the first half of the nineteenth century ,it was still predominately concerned with agriculture and forestry (93.10)
[答案] A 修饰名词应用形容词rapid growth。
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