Do you know how ling Harbin Subway Line One is?

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/06/05 22:57:33

Do you know how ling Harbin Subway Line One is?
Yes ,of course.It is______.
A 340-kilomter-long B 340 kilometers long C 340 kilometers'long

同学,才看到你向我们团队王牌英语团发来的求助题,现在为你解答
答案：选B
解析：这是一种数词+名词复数+形容词作表语的一种表达法,如
He is 8 years old.他8 岁.
The tree is more than 20 meters tall.
这棵树有20多米高.
你说的这句话的意思是：
你知道哈尔滨一号线地铁有多长吗?
是的,当然知道,它有340公里长.
而A 的形式是作定语修饰名词时这样用,即
It is a 340-kilometer-long subway.
它是一个340公里长的地铁.
再如：He is an 8-year-old boy.他是一个八岁的男孩.
C 的形式是错误的,后面一般接名词,如
It's about 10 kilometers trip.它是大约10公里的路程.
有不明白的请继续追问,

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