英語單詞的構成是有規律的，掌握了，才能更好地背單詞。
第一組：
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.) 絕對的；完全的---absolutely (adv.)
4.abundant (a.) 豐富的；充裕的 ---abundance (n.) be abundant in
5.academic (a.) 學院的，理論的 (n.) 大學教師 --- academy (n.) 學院
6.accept (v.) 接受---acceptable (a.)可接受的 - –refuse (opp.) 拒絕
7.access (n.) 通路，入門；（v.）接近；存取 ---accessible (a.)
have access to（to為介詞）可以使用；可以接觸
8.accurate (a.) 正確的，精確的 --- accuracy (n.) –accurately (adv.)-- (opp.)inaccurate 不準確
9.achieve (v.) 取得，達到 --- achievement (n.)
10.acquire (v.) 獲得，學到 --- acquisition (n.)
11.act (n. ) 法令，條例；（v.）表演；行動---action (n.) –active (a.) 主動的 —inactive (a.) —actively (adv.) —activity (n. ) 活動 --passive (a.) 被動的 ---actor (n.) –actress (n.)
12.actual (a.) 實際的；現實的–actually (adv.) = as a matter of fact
13.adapt (v.) 使適應；改編 ---adaptation (n.) 適應，順應；改編，改編本
---adaptable (a.) 有適應能力的adapt oneself to 適應於; adapt…(for sth.) from sth. 改編
14.add (v.) 添加，增加;補充說- --addition (n.) ---additional (a.) –additionally (adv.)
add…to 將…(添)加到… add to 增加，加強 add up加起來 add up to共計達
in addition (to) 另外，除此之外
15.addict (n.) 成癮的人 ---addicted (a.) –addition (n.) ---addictive (a.) 使成癮的；上癮的；易令人沉溺的 be addicted to （to為介詞）對…上癮
16.adjust (v.) 調整，使適應 ---adjustment (n.) --- adjustable (a.)
17.admire (v.) 欽佩，羨慕 ---admiration (n.) --- admirable (a.)
18.admit (v.) 承認，准許 ( admitted, admitted) --- admission (n.)
19.adopt (v.) 收養，採用 ---adoption (n.) --- adopted (a.)
20.advance (v.) 推進，促進；前進 （n.）前進，提升—advanced (a.) 先進的;高等的
21.advantage (n.) 有點；好處 ---disadvantage (n.)
take advantage of利用；欺騙，佔…的便宜
22.adventure (n.) 冒險，奇遇 --- adventurous (a.)
23.advertise (v.) 為…做廣告---advertisement (n.)
24.advise (v.) 建議，勸告----adviser (n.) 顧問，忠告者 --- advice (n.) a piece of advice
25.affect (v.) 影響 --- affection (n.) 影響，感情 = have an effect on
26.Africa (n.) 非洲 --- African (a.) (n.)
27.age (n.) 年紀 --- aged (a.)老年的 —elderly (a.)
28.agree (v.) 同意--- agreement (n.) --- disagree (opp)—disagreement (n.)
29.agriculture (n.) 農業 – agricultural (a.)
30.allow (v.) 准許，允許---allowance (n.) 允許；緊貼，補助
31.amaze (v.) 驚奇， 震驚 --- amazement (n.) ---amazed (a.) –amazed (a.)
to one’s amazement
32.ambition (n.) 抱負，雄心---ambitious (a.)
33.amuse (v.) 使…快樂 --- amusement (n.) – amused (a.) --- amusing (a.)
to one’s amusement
34.analyze (v.) 分析 --- analysis (n.)
35.anger (n.) 憤怒 --- angry (a.)
36.announce (v.) 宣佈, 宣告 --- announcement (n.) --- announcer (n.)
37.annoy (v.) 使煩惱 – 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.) 憂慮的，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.) 出現 ---appearance (n.)外貌，外觀；出現，露面
42.apply (v.) 申請 , 應用--- application (n.) 申請表 --- applicant (n.) 申請人
--- applied (a.) 應用的
43.appoint (v.) 約定，任命 – appointment (n.) -----make an appointment 約會
44.appreciate (v.) 欣賞，感激 --- appreciation (n.)
45.approve (v.) 批准，同意 --- approval (n.) approve of…贊成
(opp.) disapprove (v.) 不贊成 disapprove of…
46.argue (v.) 爭辯，辯論—argument (n.)
47.arrange (v.) 安排 --- arrangement (n.)
48.arrive (v.) 到達 – arrival (n.)
49.Asia (n.) 亞洲 ---Asian (a.) (n.)
50.assess (v.) 評價，估價 --- assessment (n.)
51.assist (v.) 幫助，協助--- assistance (n.) 幫助，援助 ---assistant (n.) 助手，助理
52.associate (v.) 聯繫，交往--- association (n.) --- associated (a.)
53.assume (v.) 假定，採取 --- assumption (n.)
54.astonish (v.) 使驚訝 --- astonished (a.) --- astonishing (a.) – astonishment (n.)
55.astronaut (n.) 宇航員 --- astronomy (n.) 天文學 --- astronomer (天文學家)
56.athlete (n.) 運動員 --- athletic (a.) 運動員的；運動的；體格健壯的；行動敏捷的
57.attend （v.）參加，照料 -- attendance (n.)出席，參加 - -attender (n.) 出席者；參加者
58.attention (n) 注意，專心--- 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.) 細菌 ---(pl. ) bacteria
62.bad (a.) 壞的 --- badly (adv. ) (worse, worst) --- good (a.) – well (a.) (adv.) (better, best)
63.base (n.) 基地，根據地 (v.) 以…為基地 -- basic (a.) --- basically 大體上
64.basis (n.) 基礎，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，跳動，打贏 (beat, beaten)
68.beautiful (a.) 美麗的--- beauty (n. ) --- beautify (v.)
69.behave (v.) 行為，守規矩 --- behavior (n.)
70.belief (n) 信條，信念 ---（pl.） beliefs-- believe (v.) --- believable (a.) ---(opp.) unbelievable
71.begin (v.) 開始，著手 (began, begun)--- beginning (n.)
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