ish English. ① In other words, this means that British intonation is singsong while American intonation tends tobe flat and monotonous. 4.2 Dissimilarities in Spelling In the process of English learning, the spelling of words is essential and inevitable. T here are two major dissimilarities between British English and American English in spelling: one is the difference in some individual letters; the other is the simpler spelling form in American English. It can be summed up as follows: 1)The omission of silent letters “-ue ” in American spelling, such as“目录” catalogue (BrE) & catalog (AmE), “对话” dialogue (BrE) & dialog (AmE), “序言” prologue (BrE) & prolog (AmE). 2) The omission of silent letters “u” in American spelling, such as“颜色” colour (BrE) 余未霞.英式英语与美式英语的简要研究[J]. 海外英语, 2011, (5): 325.