英语单词的构成是有规律的，掌握了，才能更好地背单词。
第一组：
1.ability (n. )能力；才能---able (a.)---unable (a..) —disability (n. ) —disabled (a.)
be able to do…= be capable of doing
2.absence (n. ) 缺席；不在 --- absent (a.) ---present (a..) – presence (n.)
be absent from; be present at
3.absolute (a.) 绝对的；完全的---absolutely (adv.)
4.abundant (a.) 丰富的；充裕的 ---abundance (n.) be abundant in
5.academic (a.) 学院的，理论的 (n.) 大学教师 --- academy (n.) 学院
6.accept (v.) 接受---acceptable (a.)可接受的 - –refuse (opp.) 拒绝
7.access (n.) 通路，入门；（v.）接近；存取 ---accessible (a.)
have access to（to为介词）可以使用；可以接触
8.accurate (a.) 正确的，精确的 --- accuracy (n.) –accurately (adv.)-- (opp.)inaccurate 不准确
9.achieve (v.) 取得，达到 --- achievement (n.)
10.acquire (v.) 获得，学到 --- acquisition (n.)
11.act (n. ) 法令，条例；（v.）表演；行动---action (n.) –active (a.) 主动的 —inactive (a.) —actively (adv.) —activity (n. ) 活动 --passive (a.) 被动的 ---actor (n.) –actress (n.)
12.actual (a.) 实际的；现实的–actually (adv.) = as a matter of fact
13.adapt (v.) 使适应；改编 ---adaptation (n.) 适应，顺应；改编，改编本
---adaptable (a.) 有适应能力的adapt oneself to 适应于; adapt…(for sth.) from sth. 改编
14.add (v.) 添加，增加;补充说- --addition (n.) ---additional (a.) –additionally (adv.)
add…to 将…(添)加到… add to 增加，加强 add up加起来 add up to共计达
in addition (to) 另外，除此之外
15.addict (n.) 成瘾的人 ---addicted (a.) –addition (n.) ---addictive (a.) 使成瘾的；上瘾的；易令人沉溺的 be addicted to （to为介词）对…上瘾
16.adjust (v.) 调整，使适应 ---adjustment (n.) --- adjustable (a.)
17.admire (v.) 钦佩，羡慕 ---admiration (n.) --- admirable (a.)
18.admit (v.) 承认，准许 ( admitted, admitted) --- admission (n.)
19.adopt (v.) 收养，采用 ---adoption (n.) --- adopted (a.)
20.advance (v.) 推进，促进；前进 （n.）前进，提升—advanced (a.) 先进的;高等的
21.advantage (n.) 有点；好处 ---disadvantage (n.)
take advantage of利用；欺骗，占…的便宜
22.adventure (n.) 冒险，奇遇 --- adventurous (a.)
23.advertise (v.) 为…做广告---advertisement (n.)
24.advise (v.) 建议，劝告----adviser (n.) 顾问，忠告者 --- advice (n.) a piece of advice
25.affect (v.) 影响 --- affection (n.) 影响，感情 = have an effect on
26.Africa (n.) 非洲 --- African (a.) (n.)
27.age (n.) 年纪 --- aged (a.)老年的 —elderly (a.)
28.agree (v.) 同意--- agreement (n.) --- disagree (opp)—disagreement (n.)
29.agriculture (n.) 农业 – agricultural (a.)
30.allow (v.) 准许，允许---allowance (n.) 允许；紧贴，补助
31.amaze (v.) 惊奇， 震惊 --- amazement (n.) ---amazed (a.) –amazed (a.)
to one’s amazement
32.ambition (n.) 抱负，雄心---ambitious (a.)
33.amuse (v.) 使…快乐 --- amusement (n.) – amused (a.) --- amusing (a.)
to one’s amusement
34.analyze (v.) 分析 --- analysis (n.)
35.anger (n.) 愤怒 --- angry (a.)
36.announce (v.) 宣布, 宣告 --- announcement (n.) --- announcer (n.)
37.annoy (v.) 使烦恼 – annoyed (a.) --- annoying (a.) --- annoyance (n.)
to one’s annoyance
38.annual (a. ) 一年一次的，每年的 （n.） 年刊 --- annually (a.)
39.anxious (a.) 忧虑的，焦急的 --- anxiety (n.)
40.apologize (v.) 道歉 --- apology (n.)
apologize to sb. for sth.; make an apology to sb. for sth.因…事向某人道歉
41.appear (v.) 出现 ---appearance (n.)外貌，外观；出现，露面
42.apply (v.) 申请 , 应用--- application (n.) 申请表 --- applicant (n.) 申请人
--- applied (a.) 应用的
43.appoint (v.) 约定，任命 – appointment (n.) -----make an appointment 约会
44.appreciate (v.) 欣赏，感激 --- appreciation (n.)
45.approve (v.) 批准，同意 --- approval (n.) approve of…赞成
(opp.) disapprove (v.) 不赞成 disapprove of…
46.argue (v.) 争辩，辩论—argument (n.)
47.arrange (v.) 安排 --- arrangement (n.)
48.arrive (v.) 到达 – arrival (n.)
49.Asia (n.) 亚洲 ---Asian (a.) (n.)
50.assess (v.) 评价，估价 --- assessment (n.)
51.assist (v.) 帮助，协助--- assistance (n.) 帮助，援助 ---assistant (n.) 助手，助理
52.associate (v.) 联系，交往--- association (n.) --- associated (a.)
53.assume (v.) 假定，采取 --- assumption (n.)
54.astonish (v.) 使惊讶 --- astonished (a.) --- astonishing (a.) – astonishment (n.)
55.astronaut (n.) 宇航员 --- astronomy (n.) 天文学 --- astronomer (天文学家)
56.athlete (n.) 运动员 --- athletic (a.) 运动员的；运动的；体格健壮的；行动敏捷的
57.attend （v.）参加，照料 -- attendance (n.)出席，参加 - -attender (n.) 出席者；参加者
58.attention (n) 注意，专心--- attentive (a) –attentively (ad v.)
59.attract (v.) 吸引 – attraction (n.) --- attractive (a.)
60.aware (a.) 知道的，明白的 --- awareness (n.) be aware of
61.bacterium (n.) 细菌 ---(pl. ) bacteria
62.bad (a.) 坏的 --- badly (adv. ) (worse, worst) --- good (a.) – well (a.) (adv.) (better, best)
63.base (n.) 基地，根据地 (v.) 以…为基地 -- basic (a.) --- basically 大体上
64.basis (n.) 基础，要素 --- (pl.) bases
65.bath (n.) 洗澡，浴室—bathe (v.) – bathroom (n.) --- bathtub (n.) 澡盆
66.bear (v.) 忍受 (bore, borne)--- bearable (a.) 可忍受的 --- unbearable (opp.) 不可忍受的
67.beat (v.) 敲打，跳动，打赢 (beat, beaten)
68.beautiful (a.) 美丽的--- beauty (n. ) --- beautify (v.)
69.behave (v.) 行为，守规矩 --- behavior (n.)
70.belief (n) 信条，信念 ---（pl.） beliefs-- believe (v.) --- believable (a.) ---(opp.) unbelievable
71.begin (v.) 开始，着手 (began, begun)--- beginning (n.)
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