340．mysterious: scrutable神秘而不可知的:可了解的

341．nadir: acme/summit 最低点:顶点

342．nascent: fully established 初期:完全建立

343．nebulous: limpid/distinct/unambiguous/clear out 模糊的:清楚的，明显的

344．narious: benicial/exemplary/virtuous邪恶的:仁慈的

345．noncommittal: confirm 不能确定:确定

Mary Ellen Pleasant, as a ------- supporter of Black emancipation bore the Civil War, spurned politicians

who advocated quiet dissent.

(A) cavalier (B) vociferous (C) sanguine (D) premature (E) noncommittal

这个题我是查了好多词典才找到这道题的答案

cavalier：given to haughty disregard of others，正好对应spurn：reject with contempt

注意以后这种题目不会经常出现，因为cavalier确实经常义项只有“骑士”

350．noxious: salubrious 有害的:有益健康的

351．numb: sensation麻木:感觉

352．obfuscate: elucidate 使迷惑◇阐明，说明

In response to the students’ confused expressions, the teacher attempted to__ the subject with a clear example.

(A) extricate

(B) evade

(C) comprehend

(D) elucidate

(E) obfuscate

353．oblivious: mindful 忘却的:留意的

oblivious（ob不再，liv，life，不再记住） consign….to oblivion

She found her work so__ that she lost herself in it and was completely___ the noise surrounding her.

(A) inspiring, annoyed by

(B) complex, involved in

(C) absorbing, oblivious to

(D) exhausting, taken with

(E) repetitive, afraid of

354.obscure: elucidate 使含糊:阐明

355．obtuse: insightful 愚笨的:有深刻见解的

356．occluded: unobstructed 闭塞的:不闭塞的

357．offhand: premeditated 即兴的:预谋的

358．opacity: transparency不透明:透明

359．opportune: inappropriate 适宜的:不适当的

360．ostentation: artlessness 卖弄:朴实

ostentatious: unassuming 炫耀卖弄的:谦逊的

Though some assert that all behavior is learned, there are others who hold that some behaviors are -----, existing bore any learning occurs.

A. ostentatious

B. innate

C. durable

D. cultural

361．ostracize: welcome 排斥:欢迎

Advocates of free speech argue that in order to__ the right of Americans to express their opinions, no citizen who expresses unpopular sentiments should be__.

(A) maximize, pulged

(B) ensure, ostracized

(C) diminish, inhibited

(D) elucidate, restricted

(E) embellish, praised

362．overbearing: meek 傲慢的:谦逊的

363．pacific: truculent 和平的:好战的

364．palliate: exacerbate 减轻:加重

365．pandemonium: serene 喧嚣:宁静

366．panoramic: narrow 全景的:狭窄的

Despite the markings that ranked the trail as moderately difficult, the hikers found the trek to be challenging as the path was__; it meandered ceaselessly around the riverbank for miles.

(A) panoramic

(B) precipitous

(C) serpentine

(D) circumscribed

(E) retrograde

precipitous：陡峭的（pre向前＋cip落）

367．paradoxical: common 荒谬的:普通的

368．patent: abstruse 显然的:深奥的

369．pedestrian: imaginative 缺乏想象的:富于想象的

不要和pedantic混淆了，pedantic：marked by a narrow focus on or display of learning especially its trivial aspects，卖弄学问的，此外也不要和didactic（教诲的，说教的）相混淆。

（1）Dr. Schwartz’s lecture on art, while detailed and scholarly, focused___ on the premodern; some students may have appreciated his specialized knowledge, but those with more____ interests may have been disappointed.

(A) literally--- medieval(B) completely--- pedantic(C) expansively--- technical

(D) voluminously---- creative (E)exclusively--- comprehensive

（2）We were amazed that a man who had been heretofore the most__ of public speakers could, in a single speech, electrify an audience and bring them cheering to their feet.

(A) enthralling

(B) accomplished

(C) pedestrian

(D) auspicious

(E) masterful

（3）The dispute became so ------ that we were afraid the adversaries would come to blows.

A. ironic B. generalized C. didactic

D. articulateE. acrimonious

（4）The teacher’s authority was not------; students frequently ------and had to be sent to the principal for discipline.

A. helpful…reviewed

B. didactic …answered

C. realistic …supported

D. complete …misbehaved

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