At 2473metres,it is the highest mountain pass in Europe.这里的pass是什么词性,怎么感觉 it is the highest mountain in Europe 就能说明它是欧洲最高的山了,为什么要加个pass?另外，The great St.Bernard Pass connects Switzerl

the highest mountain pass in europe is ___1 of 2473 metres 2 at 2473 metres high 3 high 2473 metres 4 2473 metres high选择哪一个,为什么 这句话是主语补足语还是原因状语?At 2473 metres,it is the highest mountain pass in Europe.At 2473 metres这句,有的书上写的是原因状语,为什么不是主补? 请问：at 2473 metres,it is the highest mountain pass in Europe.句中at的意思以及句子的结构.at 对于'高度',似乎翻译不通,后面为什么不加high那at怎么理解，其结构是什么 it is about 320 metres tall.同义句转换it is about 320 metres＿ ＿. At 2473 metres, it is the highest mountain pass in europe. 请问at在这是什么意思,是专门表示海拔的吗这句的正确翻译是，海拔2473米，　在欧洲是最高的山口 The Great St.Bernard Pass connects Swizerland to Italy.　at 2473 metres,it is the highest mountain pass in Europe.请问AT在这里是专指海拔的词吗 And the water is rising 2 metres every day until it is 13.5metres .The river is very long and it is about ____.A.50 metres tallB.20 metres wideC.30 metres highD.15 metres long It is 467,000 square metres in area的同义句It is 467,000 square metres in area=It has ____ ____ _____467,000 metres. It is over ten metres -h----- 如何填写? It is about 150 square metres.怎么问 it is four metres long 改为一般疑问句 It is 7.8 metres high on an average.一定要正确 It is 20,000 metres away from her house. how big is your____room?.it's about 20 square metres. 1）does the house at the foot of the hill helong to ____?no.it's not ___.they don't live in this area.2)the bus stop is ___ from the school.[ten metres far/ten metres away/ten miles far away/ten metres'away]3)before christmas,parents buy lots of pre It measures 3.50 metres by 3.50 metres and weights one ton.what is the meaning of the sentence?thanks It is about 15metres long.这个句中15 metres是形容词吗?long是名词吗?