two-feet-long还是teo feet long
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two-feet-long还是teo feet long
It's a ______ ruler.
a.two-feet-long;
b.two feet long;
c.two-foot-long;
d.two foot long
请问这道题选什么.
希望能给详细的解释下.
It's a ______ ruler.
a.two-feet-long;
b.two feet long;
c.two-foot-long;
d.two foot long
请问这道题选什么.
希望能给详细的解释下.
正确答案是:c.two-foot-long(两英尺长的)
注释:
你先比较一下以下两句:
It's a two-foot-long ruler.这是一根两英尺长的尺子.
= The ruler is two feet long.这把尺子两英尺长.
很明显,若数词和名词之间加了连字符号“-”,即“数词-名词”结构,则该名词必须用单数形式,而且整个词是形容词,做定语,后面必须接名词,不能单独使用.
而若没有加连字符号“-”,则2以上的数词后面名词必须用复数形式,而且该短语不能做定语修饰名词.
我们再来看一下题目,因为后面有个名词“ruler”,所以要选有形容词性质的“two-foot-long”做定语,修饰ruler.而“two feet long”不能做定语,只能单独使用,放在句末(参见上面的例句),所以排除.
类似的还有很多,如:[请注意观察比较:有连字符号“-”的,名词用单数形式;反之,则用复数形式.]
two-day holiday (两天的假期)= two days' holiday
He's a five-year-old(5岁的) boy.= The boy is five years old(5岁).
It's a 500-meter-long(500米长的) bridge.= The bridge is 500 meters long(500米长).
注释:
你先比较一下以下两句:
It's a two-foot-long ruler.这是一根两英尺长的尺子.
= The ruler is two feet long.这把尺子两英尺长.
很明显,若数词和名词之间加了连字符号“-”,即“数词-名词”结构,则该名词必须用单数形式,而且整个词是形容词,做定语,后面必须接名词,不能单独使用.
而若没有加连字符号“-”,则2以上的数词后面名词必须用复数形式,而且该短语不能做定语修饰名词.
我们再来看一下题目,因为后面有个名词“ruler”,所以要选有形容词性质的“two-foot-long”做定语,修饰ruler.而“two feet long”不能做定语,只能单独使用,放在句末(参见上面的例句),所以排除.
类似的还有很多,如:[请注意观察比较:有连字符号“-”的,名词用单数形式;反之,则用复数形式.]
two-day holiday (两天的假期)= two days' holiday
He's a five-year-old(5岁的) boy.= The boy is five years old(5岁).
It's a 500-meter-long(500米长的) bridge.= The bridge is 500 meters long(500米长).
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