缩略词：
英语当中缩略词使用的频率很高，如IMP: important, ASAP: as soon as possible。很显然如果能熟练掌握缩略词，会对考试大有裨益。
缩略词的写法一般为四种方式：
F拿掉所有元音
| MKT: | market |
| MGR: | manager |
| MSG: | message |
| STD: | standard |
| RCV: | receive |
F保留前几个字母
| INFO | information |
| INS | insurance |
| EXCH | exchange |
| I owe you | IOU |
| In stead of | I/O |