高中阶段记单词，不仅要记其本身，还要记它的拓展形式，这样才能灵活记忆并最大限度扩充词汇量。比如记energy（n. 能量，精力）时，最好连它的拓展形式energetic（adj. 精力充沛的）一起记下来。
1. eager adj. 渴望的
be eager for sth
be eager to do
2. earn v. 挣；获得
earn a living /earn one’s living 谋生
she earns the respect of her students.
3. easy adj. 容易的；从容的
Easier said than done 说时容易做时难。
Take it easy. 别急/放松。
4. educate v. 教育， 培养
educated a. 受过教育的
an educated person
education n. 教育
receive a good education
5. effect n. 影响，效果
cause and effect 因果
bring sth into effect 使......生效
come into effect 生效
take effect 开始起作用，见效
have a… effect on sb/sth 对某人/某物有…...的影响
The medicine soon took effect.
New controls come into effect next month.
Does television have an effect an children’s behaviour?
affect v. 影响，感动
Does television affect children’s behaviour?
6. effort n. 努力
make an effort /make every effort/ make efforts做出努力
spare no effort(s) to do sth. 不遗余力做某事
7. elder n. 长者；长辈；adj. 年纪较长的（只做定语）
elder sister 大姐
Children have no respect for their elders nowadays.
8. elect v.（投票）选举
elect sb. (as)…
election n. 选举；当选；选择权
win/lose a election
run for election 参加竞选
9. 1）electrical a. 有关电的，电器的
electrical equipment 电器设备
engineer 电气工程师
2）electric 用电的，带电的，电动的
electric current 电流
electric shock 电击
electric blanket
3）electronic 电子的
electronic calendar 电子日历
10. else adj. 别的/其他的（做后置定语） adv. 其他；否则；另外
or else 否则
You can use somebody else’s car.
Who else can do it?
11. embarrass v.使尴尬
embarrassed 感到尴尬的
embarrassing 令人尴尬的
embarrassment 尴尬
feel embarrassed about
12. emergency n. 紧急情况
in case of (an) emergency 假使有紧急情况
13. encouragement n. 鼓励
encourage v.鼓励
encourage sb to do sth
14. end n.末尾;终点;结束 v.结束;终止
bring sth to an end=put an end to sth 结束某事 end up doing 结果......
come to an end 结束
end up with 以......结束
15. energy n. 精力
be full of energy
energetic a. 精力旺盛的，精力充沛的
energetically adv.
16. enough n. 足够 adj.足够的，充分的 ad.足够地，充分地
I can’t thank you enough.=I can’t thank you too much. 再怎么感谢你都不够（我非常感谢你）。
old enough to go to school 足够大了可以去上学了
There are enough chairs for the guests.
17. enter vt. 进入 ,参加
entrance 入口，入学
enter a room
enter for… 报名参加…
enter the competition 参加比赛
the entrance to the hall 大厅入口
the college entrance exanimation 大学入学考试
18. enthusiastic a. 热情的，热心的
be enthusiastic about
enthusiastically adv.
19. entry n.进入，登记
You should add an entry to this section.
你应该给这部分增加一个入口。
20. environment n. 环境
protect the environment
environmentally friendly 环保的
21. envy vt./n. 嫉妒，羡慕
envy sb sth
the envy of sb 某人羡慕/嫉妒的人/物
22. equal adj.平等的，相同的 n. 对手；匹敌；相等的事物 vt.等于，比得上
be equal to sth/doing
He has no equal in music.
他在音乐方面没有对手。
23. equip vt.提供设备；装备；配备；训练
equip…with... 用......装备......
be fully equipped 装备齐全的
The course is designed to equip（训练）students for a career in nursing.
equipment (不可数)装备/设备
a piece of equipment 一件设备
24. escape v./n. 逃跑，逃脱
escape +n/doing 逃脱…...
escape from...… 逃离（地点）
a narrow escape 九死一生
26. every other day= every second day= every two days
每隔一天/每两天
every few days 每几天
27. exact adj. 精确的；准确的
to be exact 确切的说
exactly adv.精确地
This is exactly what he needs.
28. examine vt.检查；测试
have one’s eyes examined 检查某人的视力
29. example n. 榜样
set an example to/for sb 为某人树立榜样
take sth for example 以......为榜样
follow sb’s example 以某人为榜样
30. except prep. 除…...之外
His composition is good except for some spelling mistakes.
I didn’t tell him anything except that I needed the money.
31. exchange n./v.交换，交流
1）fair exchange 公平的交换
2) in exchange 作为交换
He gave me a book and I gave him a pen in exchange.
3) in exchange for sth 和...…交换
I took his watch in exchange for camera.
4)exchange A for B =exchange B with A
exchange greetings
32. excite vt. 使兴奋/使激动
If the loud noise excites the lion, he may attack you.
excited adj.感到兴奋的
exciting adj.令人兴奋的
We are excited to hear the exciting news.
in an excited voice
33. exist vi. 存在
There exists no life on the moon.
existence n. 存在
come into existence 开始存在，成立
be in existence 存在
35. expect v.期望，认为，预计
You can’t expect to learn a foreign language in a few months.
expect sth of/from sb.
expect too much of sb
I expect so. 我希望如此。
I don’t expect so. 我不希望如此。
expectation n.期望，预计
beyond (all) expectation(s) 出乎意料
contrary to (all) expectations 和预料相反
come up to one’s expectations 达到某人期望的水平
in expectation of 期望/预计（有某种情况）
He closed the windows in expectation of rain. 他预计有雨，关上了窗户。
36. experience n. 经历(c) ；经验(un) v. 经历,体验
experience a different culture
experienced adj.有经验的
be experienced in sth/doing=have experience in sth/ doing
37. experiment n.实验 v.进行试验
make/do/perform/carry out an experiment
experiment on/upon/with 对......进行试验
38. expert n.专家 adj. 熟练的，有经验的
He is an expert cook.
be expert at
He is expert at playing the piano.
39. explain v. 解释
explain sth to sb
explanation n. 解释
40. exploit vt. 利用, 剥削，开采，开发
In the past, farmers were exploited by landlords（地主）.
We must exploit the country s mineral resources
exploitation n.
41. explore vt./vi. 探索；探测；探险
explore sth for sth
exploration n.
oil exploration
43. expose v.揭露 暴露（尤指对令人震惊的或故意保密的事实）
My job as a journalist is to expose the truth.
He smiled，exposing a set of amazingly white teeth.
Don’t expose a baby to strong sunlight.
44. express v.表达，快递 adj.快的 n. 快车，快递
expression n.表达/语句/表情/神色
You are free to express yourselves in class.
have a worried（感到担心的）expression on one’s face.
45. eye n. 眼睛；视力；眼光；见解，观点
have an eye for sth 对…...有鉴赏力
keep an eye on sb/sth 照看/留意......
catch one’s eye 吸引某人注意力
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