13.abstruse: explicit/patent 深奥的:清晰的

　　Johnson’s writing is considered__ and__ because it is filled with obscure references and baffling digressions.

　　(A) deceiving, ingenuous

　　(B) arcane, abstruse

　　(C) spare, didactic

　　(D) lucid, definitive

　　(E) concise, esoteric

　　arcane，abstruse的特点就是filled with obscure references and baffling digressions

　　14.acerbic: sweet 酸的:甜的

　　纯粹是描述事物本身性质的单词

　　Despite the mixture’s__ nature, we found that by lowering its temperature in the laboratory we could dramatically reduce its tendency to vaporize.

　　(A) resilient

　　(B) volatile

　　(C) homogeneous

　　(D) insipid

　　(E) acerbic

　　15.acme: nadir 顶点:最低点

　　16.acquiesce: defy/resist 勉强答应:公然反抗/抵抗

　　Miranda, in her desire to foster___, often felt compelled to_____ readily to others in tense situations.

　　(A) cooperation---object

　　(B)consistency---defer

　　(C)dissension---surrender

　　(D) discourse---appeal

　　(E) harmony---acquiesce

　　Acquiesce to/in：to do what someone else wants, or allow something to happen, even though you do not really agree with it

　　Acquiesce to others 勉强答应别人

　　17.Acrid/acrimonious: gentle /harmonious刻薄的:温和的/和睦的

　　(1)His mouth stinging and burning, Virgil hurried to the kitchen for water to wash away the dish’s---- taste.

　　A. earthy B. exotic C. cloying D. acrid E. succulent

　　这里取的是acrid的本意，发酸的。

　　(2)The contract negotiations were often surprisingly___, deteriorating at times into a welter of accusations and counteraccusations.

　　A. perspicacious B. phlegmatic C. sedate

　　D. acrimonious E. propitious

　　accusations and counteraccusations是acrimonious 的典型特征

　　perspicacious(per全+spic看，什么都可以看到)聪明的

　　phlegmatic(原来是指吐痰的人，古人认为吐痰的人很冷静)冷静

　　sedate(sed，sit坐，能坐很久的人)镇定的

　　propitious(pro向前+pit，pet追求，向前追求好的东西出现)吉兆的

　　(3)The columnist almost___ when he mentioned his friends, but he unpleasant and even___ when he discussed people who irritated him.

　　A. recalcitrant, laconic

　　B. reverential, acrimonious

　　C. sensitive, remorseful

　　D. insipid, militant

　　reverential<>acrimoniou