If the contagious nature of yawning is a means of communication within groups ofanimals, possibly as a means to__behavior, yawning in humans is most likely__and an evolutionarily ancient mechanism that has lost its significance.(  )。

试卷相关题目

• 1The attitude that a scientist __applying a kind of food colorant scarcely indicatesthat she is__，for she may simply carry the patent rights to another colorantwhich may replace the first.(  )。

  A.favors …acquiescent

  B.advocates …disinterested

  C.opposes …altruistic

  D.dislikes …antagonistic

  E.rejects …opportunistic

  开始考试点击查看答案
• 2Although some scientists__the credibility of the work of their assistants，theyalso __their experimental dat

  A.( )。A.take credit for …appropriate

  B.confirm …exploit

  C.doubt …revisit

  D.undermine …discard

  E.suspect …utilize

  开始考试点击查看答案
• 3His initial broadcasting success as a young man was due at least as much to hisconsiderable professional__as it was to his father’s broadcasting connections.(  )。

  A.aplomb

  B.uncertainty

  C.hubris

  D.seniority

  E.nepotism

  开始考试点击查看答案
• 4Initially__expectation, Stella was dismayed to learn that her new duties wouldnot be performed in the golden__of a queen or a princess, but the drab uniformof a cook.(  )。

  A.bereft of …garb

  B.deprived of …garment

  C.full of …apparel

  D.deluged with …pretensions

  E.freed from …accessories

  开始考试点击查看答案
• 5When he was ordered from above to expel two comrades__they insisted onchallenging the leadership he found himself caught between his official duties and his oldest__.(  )。

  A.dangerous …enmities

  B.obstreperous …loyalties

  C.peerless …inhibitions

  D.dire …ambitions

  E.excellent…considerations

  开始考试点击查看答案
• 6Previous research has established the lupine wolf as the __of the moderncanine, but when and where humans first domesticated the former into the latter remains unclear.(  )。

  A.competitor

  B.ally

  C.scion

  D.prey

  E.progenitor

  开始考试点击查看答案
• 7An excellent philatelist can detect a forged __with a single glance, for a truespecimen bears markings and characteristics, without exception, that the __invariably lacks.(  )。

  A.painting …imitation

  B.insect …approximation

  C.coin …original

  D.stamp …facsimile

  E.treatise …falsehood

  开始考试点击查看答案
• 8The result of this biochemical test has caused an uproar, and ever since itspublication, researchers have been full of responses of__quality： whereas somedeal with the test’s implications in a calm manner, others sound alarms.(  )。

  A.choleric

  B.admonitory

  C.whimsical

  D.homogenous

  E.variable

  开始考试点击查看答案
• 9Thus, global-warming skeptics write off the __ of climate researchinvestigators, emphasizing the__of others’ reasoning, but not of their own.(  )。

  A.data …accessibility

  B.infighting …vagueness

  C.resources …virtues

  D.experiments …pragmatism

  E.consensus …uncertainty

  开始考试点击查看答案
• 10Except in times of__ , we would scarcely allow public officials to declare statesof emergency that replace some normal rules with those more__to extraordinarycircumstances.(  )。

  A.debate …diffident

  B.serenity …indifferent

  C.catastrophe …germane

  D.obedience …ill-suited

  E.disaster …hostile

  开始考试点击查看答案