单选题According to the passage, scientists have concluded which of the following from the discovery of the large amount of deuterium found in comets?
单选题EXPERIENCED: PRACTICE ::
单选题PROCRASTINATION: ACTION::(A) refutation : defense(B) interruption : respite(C) restraint: publication(D) filibuster : legislation(E) abeyance : fulfillment
单选题POSTSCRIPT : LETTER ::(A) inscription: souvenir(B) appendix : textbook(C) foundation : column(D) signature : epistolary(E) dialogue : opera
单选题This division of science into two distinct cultural traditions, located in different types of institution, is highly______, but in recent years these two cultures have begun to______one another.(A) influential… disregard(B) unlikely… join(C) suspect… benefit(D) propitious … separate from(E) pronounced … merge with
单选题TAINTED:(A) obvious(B) numb(C) accessible(D) wholesome(E) shrilling
单选题Of40pairsofsocksinadrawer,xpairsaresolidwhite,ypairsaresolidgray,andmorethan19ofthepairsarestriped.
单选题CREEK : RIVER ::(A) avalanche : landslide(B) tunnel : capillary(C) blizzard : gale(D) hill : mountain(E) copse : stand
单选题We now know that humans have evolved not to subsist on a single, Paleolithic diet but to be______eaters, an insight that has important implications for the current debate over what people today should eat in order to be healthy.(A) flexible(B) carnivorous(C) gregarious(D) predictable(E) salubrious
单选题ACCELERATE : SPEED ::
单选题The buyer of a certain mechanical toy must choose 2 of 4 optional motions and 4 of 5optional accessories．How many different combinations of motions and accessories are available to the buyer? A. 8 B. 11 C. 15 D. 20 E. 30
单选题According to the passage, which of the following is necessary to maintaining the proper atmosphere in a tragedy'?(A) A virtuous protagonist(B) Unity of time(C) Personified passion(D) Archaic diction(E) A display of moral character
单选题DIDACTIC : TEACH ::(A) sophomoric : learn(B) satiric : mock(C) reticent : complain(D) chaotic : rule(E) apologetic : deny
单选题Thethreesmallrectangleshavethesamedimensions．
单选题ADROITNESS: INEPITUDE : :
单选题PLASTICITY:(A) severity(B) sturdiness(C) cleanliness(D) rigidity(E) immensity
单选题SYNOPSIS: CONCISENESS ::(A) dilution : concentration(B) solution : solvency(C) tincture : flavor(D) distillate : purity(E) wavelength : luminosity
单选题BLATANT:
单选题Nathan was a fiercely ambitious and competitive man, as quick to take offence as to give it in his business dealings, and it is not difficult to imagine him responding ______to such______.(A) mysteriously … an entreaty(B) fractiously … a pleasantry(C) self-effacingly … an invitation(D) impetuously … a contretemps(E) gravely … a leitmotif
单选题PLUMB:(A) inspect cursorily(B) respond precisely(C) approve(D) deceive(E) refrain