单选题Perfect certainty belongs only to the gods; the rest of us have to make do with science and its______.(A) imperfections(B) conclusions(C) methodologies(D) hyperbole(E) resignation
单选题If Jason traveled 30 miles in 6 hours and Becky traveled three times as far in half the time, what was Becky"s average speed, in miles per hour?
单选题CHARY: A. lugubrious B. brash C. indifferent D. graceful E. scornful
单选题Forthetwoyearsinwhichearningsfromelectronicoperationsweremostnearlyequal，thecombinedearningsfromnonelectronicoperationsweremostnearlyA.$340millionB.$520millionC.$670millionD.$780millionE.$1，520million
单选题DISPATCH：
单选题The passage suggests which of the following about the hypothetical discovery of an absence of seasonal variations in oxygen 18 molecules? Ⅰ. It would not prove that certain dinosaurs were capable of regulating their temperatures internally. Ⅱ. One likely source of such a discovery would come from annual growth bands of dinosaur teeth. Ⅲ. The fact that no biotechnology yet exists to elucidate thermoregulation biochemistry proves such a discovery is impossible. Ⅳ. The discovery would be profound, because oxygen 18 is only found in fossil records where there is seasonal variation.(A) Ⅰ and Ⅱ only(B) Ⅱ and Ⅲ only(C) Ⅲ and Ⅳ only(D) Ⅰ and Ⅳ only(E) Ⅱ, Ⅲ, and Ⅳ only
单选题UNDERMINE:(A) combine(B) immerse(C) supplant(D) renovate(E) undergird
单选题
单选题CABAL: ASSOCIATION : :
单选题Like______, Arctic scientists sequestered on the Pole must accustom themselves to long periods of sensory______, and regard all calamities as matters of indifference.(A) predators… immersion(B) ascetics… concentration(C) prelates … adaptation(D) explorers … intransigence(E) stoics… deprivation
单选题COMPLY: A. simplify B. strive C. rebel D. unite E. appreciate
单选题The great leaders of the second world war alliance, Franklin Roosevelt and Winston Churchill, understood the opposing forces of destruction and -------;their war aims were not only to defeat fascism, but to create a world of shared -------.
单选题PLEAD : SUPPLIANT ::(A) disperse : rioter(B) shun : outcast(C) revere : elder(D) beg : philanthropist(E) translate : interpreter
单选题The passage provides information that answers which of the following questions?
单选题Let the lengths of the sides of a triangle be represented by x + 3, 2x - 3, and 3x - 5. If the perimeter of the triangle is 25, what is the length of the shortest side?(A) 5(B) 6(C)7(D) 8(E) 10
单选题No other artist rewards the viewer with more sheer pleasure than Mir6; he is one of those blessed artists who combine profundity and ______.(A) education(B) wisdom(C) faith(D) fun(E) depth
单选题FRUSTRATE:(A) abet(B) prefer(C) enlarge(D) organize(E) annul
单选题IMPANEL : JUROR ::(A) accuse : defendant(B) convict : culprit(C) testify : witness(D) enroll : student(E) involve : bystander
单选题PROFUNDITY:
单选题Which of the following, if true, would cast the MOST doubt on scientists' most recent explanation for the origin of the ocean's water?(A) Meteorites contain only twice, and not ten times as much xenon as regular sea water.(B) Local water from the solar nebula is found to contain as much xenon as meteorites.(C) Water from the solar nebula contains less deuterium than was previously thought.(D) Comets containing more than twice the amount of deuterium than was previously thought.(E) More than twice as many meteorites as comets existed in the solar system at the time of the Earth's formation.