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

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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
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

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,

选C
340公里长，可以用340 kilometers' long表达，或者340-kilometer long
类似的还有five minutes' walk/five-minute walk 5分钟的散步
这里考查名词做定语，注意这两种表达方式
希望能帮到你，如有疑问，欢迎再提，满意请采纳

B.
对比类似句型：
The boy is 10 years old.
The house is 50 metres tall.
这个句型中，数词后的名词用复数，作表语。

祝你进步！

选b。三白四十公里长所以是

do you know how old is kong ling hui你知道孔令辉的年龄吗 how do you know How do you know? How do I know you? 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 do you know how much i love how much do you know really about do you know how to write How many color do you know? HOW MANY COLORS DO YOU KNOW? HOW MUCH DO YOU KNOW ABOUT How much do you know about AIDS how many dinosaurs do you know? know ,you ,do ,how ,him 组成一句话 How many documentaries do you know? Do you know how to o__the machine? Do you really know how to How do you know the time?回答