限定詞和被限定詞間的呼應(yīng)
一、 冠詞與所修飾名詞間的呼應(yīng)
1. 不定冠詞a／an表示“一個，一部分”，與之匹配的是名詞的單數(shù)形式，不管a／an與它所修飾的名詞之間有多少個限定成分，都要遵循這一規(guī)則
1) A significant proportions ［A］ of the plants and animals of ［B］ Hawaii exists nowhere else ［C］ in the world ［D］ .
2) The discovery ［A］ of kerosene and the invention of a glass ［B］ chimney made possible ［C］ a greatly improved lamps ［D］ .
3) Jim Thorpe， a football ［A］ ，track，and baseball stars ［B］ from Pennsylvania，is considered by many ［C］ to be the greatest ［D］ all?round athlete of modern times.
2. “冠詞＋表示單概的名詞＋介詞短語或從句(不管介詞短語或從句中的名詞是單數(shù)名詞還是復(fù)數(shù)名詞)”，主句的謂語動詞都要用單數(shù)形式
4) A typical ［A］ farm in the ［B］ midwestern United States cover ［C］ about three hundred acres of fertile ［D］ prairie land.
5) The Petrified Forest of eastern Arizona are ［A］ made up of tree trunks ［B］ that were buried in mud，sand，or volcanic ash ages ago ［C］ and have turned to stone ［D］ .
6) Many ［A］ of the population in the rural areas ［B］ is composed ［C］ of manual laborers ［D］ .
二、 數(shù)詞與修飾名詞間的呼應(yīng)
1. 可數(shù)名詞要么與冠詞連用，要么用其復(fù)數(shù)形式，一般不單獨使用
7) Thomas Jefferson skillfully ［A］ organized his ［B］ supporter ［C］ in congress into a strong ［D］ political group.
2. 表示“一”的數(shù)詞作定語時，用可數(shù)名詞單數(shù)；表示“一”以上的數(shù)詞作定語時，可數(shù)名詞用其復(fù)數(shù)
8) If ［A］ [KＧ?2] laid out ［B］ in a straight line，the human digestive tract(消化道) would measure ［C］ approximately thirty foot in length ［D］ .
9) Edna Ferber told ［A］ the story ［B］ of her life ［C］ in two book ［D］ .
10) Sea turtles date back 100 million year ［A］ and are the only ancient ［B］ sea reptiles to survive ［C］ to the present ［D］ day.
3. 序數(shù)詞作定語時，名詞用單數(shù)形式。這時序數(shù)詞前常加定冠詞the
11) Sodium(鈉) is ［A］ the six ［B］ most abundant ［C］ element in ［D］ the earth’s crust.
12) First incorporated ［A］ in 1871，Dallas，Texas， had become ［B］ the seventh ［C］ largest cities ［D］ in the United States by 1976.
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