SAT test 51. For a long time, most doctors maintained that taking massive doses of vitamins was relatively harmless; now, however, some are warning that excessive dosages can be _________.(A) healthy adj. 健康的(B) expensive adj. 昂贵的(C) wasteful adj. 浪费的(D) toxic adj. 有毒的(E) inane adj. 愚蠢的解析：D，在很长的一段时间里，大多数医生认为用大量的维他命是无害的;不过现在有些人警告过量食用会----。
这里however表示转折与前面的harmless是相反的意思。
2. In Jamaica Kincaid's novel Lucy, the west Indian heroine _________ her employers' world, critically examining its assumptions and values.(A) idealizes v. 理想化(B) avoids v. 避开(C) beautifies v. 美化(D) scrutinizes v. 仔细检查(E) excludes v. 排除，解析：E，在牙买加金彩的小说露西，这个西印度群岛英雄----她的雇主的世界，精细的审视他的猜测和价值。
这个句子中前后两句意思是一致的，没有转折词，所以空格所需的东西与examining是同义词，所以D。
frequent name changes that the country has undergone _________ the political turbulence that has attended its recent history.(A) argue against v. 真钞，辩论(B) contrast with v. 对比，差异(C) testify to v. 证明(D) jeopardize v. 危及(E) sustain v. 支撑解析：C，这个国家经历了频繁的国名变更---这个国家的近点史上的政治动乱。
从句意可以看后句和前句是因果关系，前面证明了后面。
, clamlike bivalves of prehistoric times, were one of the most _________ forms of life on the Earth: more than 30,000 species have been _________ from fossil records.(A) plentiful adj. 丰富的...subtracted v. 减去(B) ornate adj. 华丽的...retrieved v. 重新取回(C) multifarious adj. 多方面的...catalogued v. 登记分类(D) scarce adj. 缺乏的，罕见的...extracted v. 萃取的(E) anachronistic adj. 时代错误的...extrapolated v. 推算，推断解析：C，腕足类就像远古时代的双壳蚌一样，是地球上—生物形式的一种：30000多种已经从化石记录上---。
从后面的species 可以看出与前面的空格是同义词，多样性的种类。
后面可以看出从化石记录中登记了。
5 Some interactive computer games are so elaborately contrived and require such _________ strategies that only the most __________ player can master them.(A) byzantine adj. 错综复杂的...adroit adj. 熟练的，机敏的(B) nefarious adj. 极坏的，恶毒的...conscientious adj. 认真的，勤奋的(C) devious adj. 迂回的，狡猾的ckadaisical adj. 无精打采的(D) onerous adj. 困难的，繁重...slipshod adj. 穿着不整齐的，潦草的(E) predictable adj. 可预言的..pulsive adj. 强制的，强迫的解析：A，一些电脑互动的游戏设计的如此精致巧妙需要----策略只有那些最—玩家能够驾驭他们。
这里前面空格与elaborately 是同义词，所以A。
Questions 6-7 are based on the following passage.The critic Edmund Wilson was not a self-consciousletter writer or one who tried to sustain studied mannerisms. Nor did he resort to artifice or entangle himself in circumlocutions. The young, middle-aged, and old Wilson5 speaks directly through his letters, which are informal for the most part and which undisguisedly reflect his changing moods. On occasion-in response, perhaps, to the miseryof a friend or a public outrage or a personal challenge-he can become eloquent, even passionate, but that is not his10 prevailing tone.文章大意：文章主要讲评论家埃德蒙威尔逊在写信的风格上不拘一格，直言不讳，他的一生都是这样的风格不扭捏拘谨，应对各种挑战时候也能从容不会能言善辩。
长难词：mannerisms特殊习惯，矫揉造作，artifice 欺骗entangle 是纠缠，混乱circumlocution委婉的说法 eloquent雄辩的，有口才的，outrage 愤怒 undisguisedly公开的，不伪装的。
6. Based on the information in the passage,Wilson's letters can best be described as(A) cynical冷嘲的(B) spontaneous自发的无意识的(C) critical批判的(D) preachy爱唠叨的(E) witty诙谐的，机智的解析：B，这是主旨题，考察对文章全文的把控，文章开篇就提到埃德蒙的写信风格是不矫揉造作的，直言的。
7. The reference 10 the "young, middle-aged, andold Wilson" (line4) serves to suggest the(A) multifaceted nature of Wilson's literarypersona(B) maturity Wilson displayed even as a youth(C) effect aging had on Wilson's temperament(D) longevity of Wilson's literary career(E) consistency of Wilson's letter-writing style解析：E，这里说从青年，中年，到老年他的写作风格都是informal和undisguisedly,一直都没有变过。
Questions 8-9 are based on the following passage.The belief that it is harmful to the Black communityfor authors to explore the humanity of our leaders canhave troubling effects. At the least, it promotes the belief that our heroes have to be perfect to be useful. At worst.5 it censors our full investigation of Black life. If our paintings of that life are stock and cramped, their colors draband predictable, the representations of our culture are likely to be untrue. They will not capture the breadth and complexity of Black identity.文章大意：文中描述对于黑人区的探索，对黑人生活的描述过于晦涩难懂的话很可能我们展现的形式会失真，所以整篇文段是对黑人生活展现形式的讨论。
长难词：censor监察官 cramp难懂的狭隘的 drab无生气的，褐色的breadth宽度幅度8. The passage implies that Black leaders have sometimes been portrayed as being(A) overly sentimental(B) deeply complex(C) above reproach(D) without regret(E) beyond understanding解析：C，文中提到“At the least, it promotes the belief that our heroes have to be perfect to be useful.”暗示有时候将领导人展现为不可挑剔的英雄。
9. In context, the "paintings" (lines 5-6) are bestunderstood as a reference to(A) realistic sculptures(B) historical biographies(C) whimsical novels(D) political cartoons(E) colorful theorems解析：B，paiting这里是对黑人领导生活的描述，那么一般就是我们所说的历史传记。