2007英语四级完形填空模拟训练9

In every cultivated language there are two great classes of words which， taken together， comprise the whole vocabulary.

First， there are those words __1__ which we become acquainted in daily conversation， which we __2__ ，that is to say， from the __3__ of our own family and from our familiar associates， and __4__ we should know and use __5__ we could not read or write.

They __6__ the common things of life， and are the stock in trade of all who __7__ the language.

Such words may be called“popular”， since they belong to the people __8__ and are not the exclusive __9__ of a limited class.

On the other hand， our language __10__ a multitude of words which are comparatively __11__ used in ordinary conversation.

Their meanings are known to every educated person， but there is little __12__ to use them at home or in the market-place.

Our __13__ acquaintance with them comes not from our mother‘s __14__ or from the talk of our school-mates， __15__ from books that we read， lectures that we __16__ ，