大学英语四级必背词汇包括以下几类：
常用词汇
across
age
as far as I know
adapt to
in addition to
adhere to
abandon
ability
abnormal
aboard
abroad
absence
absent
abstract
abundant
implement
incline
inferior
injure
alter
burst
dispose
blast
consume
split
spit
spill
slip
auxiliary
automatic
compete
competent
competition
distress
facility
put aside
put away
put back
put forward
put into
put off
put on
absolute
absolutely
abundant
abuse
academic
听力部分常考词汇
embarrassment
fluorescent
accommodate
psychiatrist
occasionally
阅读部分常考词汇
account
accustom
accelerate
adjust
advocate
affluent
annoy
这些词汇覆盖了大学英语四级考试中的听力、阅读和写作部分，建议考生重点记忆这些词汇，以提高考试通过率。
