1 词性转换： 1. able a. enable v. unable a. ability n.能力 be able to do sth. be unable to do sth. enable sb. to do sth. 2. absence n. 缺席，不在 absent a. 3. accurate a. accurately adv. 4. achieve=get v. achievement n.成就 5. cross v. across prep. crossing n. 6. act v. actor n. actress n. action n. active a. activity n. 7. add v. addition n. in addition 8. advice n. advise v. advise sb. to do sth. 9. advertise v. advertisement n. 10.Africa n. African n./a. 11.agent n. agency n. travel agency 12.agree v. agreement n. disagree v. disagreement n. agree with sb. agree to do sth. agree on sth. 13.air-conditioner n. air-conditioned a. 2 14.live v. 居住，生活/a.现场直播的 life n. （lives） 生命，生活，一生 in one's whole life time living a. alive a. lively a.生动的，活泼的 keep alive creature alive living things 15.alone a./adv.单独的/地 lonely a.孤独的 寂寞的 feel lonely a lonely child live alone leave sb. alone 16.amazing a. 惊人的 an amazing brain amazed a. 惊讶的 amaze v.使惊讶 amazement n. 17.ambition n. ambitious a.有野心的 My ambition is to be an engineer. 18. America n. American n./a. 19.amuse v. 使快乐 amusing a. 令人快乐的 amusement n. 娱乐，消遣 amused a.快乐的 amusement park 20.angry a. anger n. angrily adv. be angry with sb. be in anger get angry 21.apologize v. apology n. apologize to sb. make an apology to sb. 22.appear v. disappear v. appearance n.外貌 23.argue v. argument n. 24. arrange v. arrangement n.安排 3 25.arrive v. arrival n. 26.art n. artist n.画家，艺术家 27.Asia n. Asian n./a. 28. assistant n. assist=help v. 29.attend v. attendance n. 出席 30.attentive a. attentively adv.聚精会神地 31.attract v. attraction n. 吸引人的事，物 attractive a. tourist attraction 32.Australia ...
