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　　答案：

　　The passage is about Wang Kun and his sister cycling along the Mekong River and they gave a detailed description of the river including its geographical situation and the scenery along the river.

　　Ⅰ.完形填空

　　Although the USA is by far the most powerful country of the English­speaking countries, the English that is taught in __1__ parts of the world is British English.__2__，British English is the "mother" language upon which all English, written or spoken，is __3__，including American English. __4__， most Americans like the way the "English" speak. Many Americans，__5__ some who have no British blood in __6__，consider Britain as the Mother Country.Americans read English literature(文学) __7__ any difficulty at all，and British readers of the early 20th century American literature have no __8__either.But for the last fifty years Americans have been __9__ a large number of new words and phrases，many of which have already __10__ the UK and the whole English­speaking world.

　　However，there are sometimes misunderstandings.A smart English woman said to a smart American woman on a California __11__.

　　English woman：I haven't bathed for years.

　　American woman：Is that so？I can't __12__ it!

　　English woman：It's true.You see，the water at home is always so cold.

　　American woman：But...But surely you have hot water in England!

　　English woman：Of course, __13__ not in the sea!

　　In __14__ English，"bathe" means "wash, have a bath"．In British English, it means "go swimming"．There can be __15__ misunderstandings over the word "pants"，__16__ most English people know that Americans call trousers "pants"．

　　American girl：I never wear pants.They don't __17__me.

　　English girl：Really？Couldn't that be a bit embarrassing?

　　American girl：Embarrassing(令人尴尬的)？__18__？

　　English girl：Well, that __19__ skirt you're wearing...

　　American girl：Oh，my! But I wear panties(女士短裤)!

　　In British English，"pants" are underclothes.However, young people in Britain do sometimes say "pants" __20__ "trousers"．

　　1．A.all　　　　B．most

C．some D．few

　　2．A.Therefore B．However

C．Besides D．Generally

　　3．A.made B．found

C．built D．based

　　4．A.Above all B．In fact

C．In all D．After all

　　5．A.including B．except

C．throughout D．containing

　　6．A.him B．her

C．them D．it

　　7．A.with B．without

C．under D．through

　　8．A.way B．interest

C．question D．problem

9．A.speaking B．writing