通过计算机对4级考试真题词汇按照词频高低排序汇总，并且表明了词频。因此，所有4级考生应该掌握下面所有核心高频词汇。这些核心4级词汇让大家复习时重点突出有的放矢，我建议大家借助字典对这些按照词频高低排序的历年4级常考单词掌握词义。
Day One
频率为20次以上
consumer
social
product
likely
频率为10次以上
system
activity
reward
stress
expert
concern
university
individual
view
opportunity
hunt
challenge
process
project
amount
ability
rate
radiation
feature
environment
create
crash
advertise
tend
status
reader
per
local
highway
brand
assume
physical
instant
focus
fashion
expand
effective
declare
benefit
adult
Day Two
频率为9次的单词
affect compete global policy account foundation involve
lightening technology leak competition behavior community
频率为8次的单词
range maintain action obvious primarily appeal detail decade pollution
advantage culture autobiography leader accordingly plastic approve
performance recognize factor enormous avoid shift source fulfill moral
rank replace complex
Day Three
频率为7次的单词
injury outcome insurance impression household claim
personality personnel employee reserve approach capacity
generally automobile male regardless contact wealthy
estimate incident device error relationship
recently scale union climate available criticism
diet civilian ground liberal establish indicate
accomplish finally spot
Day Four
频率为6次的单词(一)
potential professional ideal reflect considerable
influence trace attitude chemical network
positive territory engage witness welfare
career attach profit musician purchase
competitive particularly assign response pace
complaint identify arise victim sample
modify property structure target belief
