1）重点掌握动词的原型、过去式、过去分词（例如do-did-done ;make-made-made）以及要重点注意动词的单三变化。动词的现在完成时变化；动词的to do 或者doing变化。
2）形容词：重点掌握副词的变化（例如clear-clearly）；掌握形容词或副词的比较级、最高级变化。重点掌握形容词变名词（例如confident-confidence）
3）
1、collect [k??lekt]vt.收集，收藏；-collected-collecting-collection
2、color n.颜色-colorful [?k?l?f?l] adj.富有色彩的；鲜艳的；
3、comfort V. 使舒适-comfortable [?k?mft?bl]adj.舒适的；安逸的，
比较级：more comfortable最高级：most comfortable
4、communicate- communicated- communicated-
communicates-communication [k??mju:n??ke??n]n.通讯，通信；交流；书信；传达
5、compete-competition [?k?mp??t??n]n.竞争；比赛；竞争者
6、brief-briefly [?bri:fli]adv.短暂地；简单地；简略地；speak briefly
First of all, let us (简要地) describe the two mathematical concepts I plan to invoke in this discussion.
7、confident [?k?nf?d?nt]adj.确信的，深信的；有信心的-confidence n.信心MS wang has on liping.
8、人群crowd n.—拥挤的adj. crowded [?kra?d?d]拥挤的;考点：crowded traffic The train was very （拥挤）, and we had to stand.
9、curious [?kj??ri?s] adj.好奇的；好求知的；-- curiously adv.---- curiousity n 好奇心
"What are you thinking?" he asked （好奇地）
10、危险（名）danger-dangerous [?de?nd??r?s] adj.危险的
They cautioned him against （危险）
11、decide [d??sa?d]vt.决定；决心；--decision 决心
He （决定）to leave for Beijing tomorrow.
Her opinion will affect my (决定)
12、difficult-difficulty [?d?f?k?lti]
n.困难，麻烦，难事；难度
13、使失望V.disappoint-disappointed [?d?s??p??nt?d]adj.失望的；沮丧的，失意的
Visitors were (失望)to find the museum closed.
The last job rejection （使失望）me badly.
14、educate [?ed?uke?t]
vt.& vi.教育，教导；训练，培养
education [?ed?u?ke??n]
n.教育；教育学；培养；训练
The Internet informs our opinion, (教育)us, entertains us, and keeps us in touch with the world.
15、employee [?m?pl??i:]
n.雇工，复数：employees----- employer [?m?pl???(r)]n.雇主，老板；雇佣者
16、鼓励动词encourage- encouragement n
17、express-expression [?k?spre?n]n.表现，表示，表达
18、fail-failure [?fe?lj?(r)] n.失败，不及格
19、familiar [f??m?li?(r)] 形be familiar with 对某物熟悉
If you become (熟悉)with the teacher, you will get more care from him.
20、final 最后的、最终的（final exam）-finally [?fa?n?li]adv.最后，终于
21、foreign [?f?rin]
adj.外国的，外交的
21、frighten [?fra?tn]
vt.使惊恐，使恐慌；
22、immediately [??mi:di?tli]
adv.立即，马上；
23、improve [?m?pru:v]
vt.提高
24、include [?n?klu:d]
vt.包括；包含；计入；包住
第三人称单数：includes过去式：included过去分词：included现在分词：including 25、independent [??nd??pend?nt]
adj.自主的
26、journalist [?d??:n?l?st]
n.新闻工作者，新闻记者；记日志者
journal [?d??:nl]
n.日报，日志，日记；定期刊物，期刊，杂志
27、leader [?li:d?(r)]
n.领袖，领导者；负责人
28、medical [?med?kl]
adj.医学的；医药的；医疗的
medicine [?medsn]
n.医学，医术，内科（治疗）；医药，（
29、memory [?mem?ri]
n.记忆，记忆力；回忆，
30、necessary [?nes?s?ri]
adj.必要的；强制的；必然的；不可避免的