how far it is from shanghai to beijing和用how long提问一样吗?怎么分别回答

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/09/18 19:48:17

how far it is from shanghai to beijing和用how long提问一样吗?怎么分别回答?多少千米或其他模糊地就可以了
追问how far 是用“about 12 hours by train”还是“100meters long”?

一、how long的用法
how long有以下两个主要意思：
1.表示多长时间,主要用来对一段时间(如three days,four weeks 等)提问.如：
A：How long did he stay here?他在这儿呆了多久?
B：About two weeks.大约两个星期.
A：How long does it take to get to London from here?从这里到伦敦要多长时间?
B：At least ten hours.至少要10个小时.
2.表示某东西有多长.如：
A：How long is the river?这条河有多长?
B：About 500 km.大约500千米.
二、how far 多远 →提问两地之间的距离.提问是不一样的.
再问：追问how far 是用“about 12 hours by train”还是“100meters long”?
再答： 100meters long”? 因为是问距离的。希望采纳！

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