题目

English spelling has been changing for over a thousand years and the spelling difficulties we have today is the result of many different things that have taken place over this time.It was a tricky beginning for English spelling. Quite simply, the 23-letter Roman alphabet has never been enough — even Old English (spoken 450-1150) had about 35 sounds, and the number is now even bigger. But the English spelling was and still is based on the Roman alphabet.More spelling problems came in when the French introduced new spelling rules — their own of course? and not always helpful. Using “c” i45×25与25×45的结果一样 （判断对错）