Of the various schemes that have been proposed to model how gene transcriptionmight work in the living body, those involving actual physical contact between enhancers and genes remain __, owing to an absence of direct evidence.(  )。

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• 1Except 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

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• 2Thus, 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

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• 3The 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

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• 4An 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

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• 5Previous 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

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• 6Politicians and pollsters alike warn that the outcome of a presidential race remains__until Election Day itself, and many races depend on factors that run from badWeather__voter turnout to last-minute scandals.(  )。

  A.unknown …abetting

  B.unlikely …decreasing

  C.fluid …affecting

  D.predetermined …consolidating

  E.fixed …absorbing

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• 7His father served as__to the entire Garcia clan, dispensing money and advice tothose who needed it  and the family, in turn, revered him.(  )。

  A.prelate

  B.paterfamilias

  C.mountebank

  D.valet

  E.creditor

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• 8This thing called love is a total mystery, and the__of passion and despair thataccompanies every romantic devotion may keep one eternally perplexed.(  )。

  A.coagulation

  B.requital

  C.admixture

  D.instability

  E.vagaries

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• 9Molds were once used only for small amounts of fat, shared with neighbors atcooperative candle dippings or supplied by__candle makers who canvassed largegeographical areas.(  )。

  A.redoubtable

  B.impecunious

  C.sententious

  D.meretricious

  E.itinerant

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• 10The stage was set for simmering hostility between the two sects, and thebreakdown in__relations was hastened by the high-handed attitude of thosewho had lost many of their ancestral privileges and lands.(  )。

  A.intemperate

  B.exogamous

  C.consanguineous

  D.amicable

  E.idiosyncratic

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