一、20个英文单词
1，deadly
adj.致命的，完全的；adv.死一般地，非常
The factory releases deadly smoke.
2，conflict
n.冲突，争执，矛盾，战斗；vi.冲突，抵触
We have a big conflict over layout of the new house.
3，scorn
vt.鄙视，对...不屑一顾；n.鄙视
She thought scorn of her work colleague who just read magazines all day.
4，hierarchy
n.阶层，等级制度
There is usually a rigid hierarchy in most large corporations.
5，ought to
When you study,you ought to sit up straight.
6，swell
v.膨胀，鼓起，肿胀；n.增大，膨胀，汹涌，衣着时髦的人，风头人物；adj.时髦的，一流的，很好的
Your foot may swell up and go red for a couple of days.
7，prospect
n.前景，展望，视野，可能性，景象；v.勘察，有前途，勘探
My job prospects are great.
8，quiver
vi.颤抖；n.颤抖，箭袋
The leaves were quivering in th breeze.
9，preface
n.序言，前言，开端
The book's preface is a good introduction to the main text.
10，immense
adj.巨大的，广大的
Compared with the immense universe,our planet is so small.
11，modest
adj.谦虚的，端庄的，适度的，些许的，朴素的，有节制的
He is always modest about his excellent grades.
12，cheat
v.作弊，欺骗，哄骗；n.欺骗，作弊，骗子，骗术
The man cheated in the card game.
13，worse
adv.更坏的，更恶劣地；adj.更坏的，更恶劣的；n.更坏的事，更恶劣的事
The company is performing worse and worse.
14，medal
n.奖牌，勋章；v.获得奖章
These gold medals are symbols of honor.
15，appear
vi.出现，露面，出版；link-v.显得，好像
A little boy suddenly appeared.
16，wound
n.伤口，损伤，创伤；v.伤害，缠绕，打伤，损伤，使...受伤
She has a small bleeding wound on her knee.
17，sense
n.感官，感觉，判断力，见识，观念，意识，意义；v.觉得，意识到
The lawn is numb to the sense of touch.
18，match
n.比赛，敌手，火柴，伙伴，搭档，婚姻，配偶，导火线，相配，般配；v.(使)相配，匹敌，比得上
There's a soccer match going on here.
19，solve
vt.解决，解释，解答，破解
She helped her sister solve the math problem.
20，anyway
adv.无论如何，总之，尽管，即使这样
It doesn't matter,they all go to the same place anyway.
二、等差数列大纲考点
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