考研作文中需要背诵的单词主要可以分为以下几类：

社会文明道德类

social morality

social issue

money-worship

belief

morality

civilization of

经济类

economic globalization

sustainable development

unfair competition

crack down on fake commodities

boom

fierce competition

credit crisis

stabilize

supply-side structural reform

consumption upgrade

文化与传统类

cultural diversity

cultural conflict

cross-cultural communication

carry forward national culture

English fever

creative transformation of

工作类

ambitious

adaptability

adapt oneself to

prosperity

其他常用词汇

due to / owing to / thanks to

so as to / in order to / for the aim of

habit

habitat

inhibit

habite

recall

recede

receipt

receive

capable of

这些词汇覆盖了考研作文中常见的主题和表达方式，考生可以根据这些分类进行有针对性的复习和记忆，以提高作文的得分。