5、erence(linkingwords)V:lexicalresource(vocabulary:idiomaticlanguage,paraphrasing)Big:sprawling;cosmopolitan;politically-important;fast-developing;colossalG:grammaticalrangeandaccuracy(时态,完成时和进行时,从句)P:pronunciation(understandable:wordstress,sentencestress,intonation,speed)e.g. Is