单选题If the area of the shaded region of the square above is 20, what is the perimeter of the square?
单选题MASTHEAD : NEWSPAPER ::(A) footnote : essay(B) credits : film(C) spine : book(D) ream : paper(E) advertisement : magazine
单选题If a particular vaccine is produced only by one company at a single facility, there is a possibility that the supply of vaccine could grow______if the company decides to cease production.(A) useless(B) inexpensive(C) abstruse(D) repugnant(E) scarce
单选题How many students are either juniors or males or both? A. 678 B. 766 C. 948 D. 1,130 E. 1,312
单选题According to the passage, the work of scientists is similar to that of equations in infinitesimal calculus because scientists
单选题CRAVEN:
单选题New regulations in Mullentown require manufacturers there to develop five-year pollution-reduction plans
单选题ERUDITION : ESOTERIC ::(A) anticipation: history(B) garrulity : eloquence(C) prescience : future(D) sobriety: intoxication(E) irritation : temper
单选题HEGEMONY:(A) vigor(B) power(C) accuracy(D) self-assurance(E) alertness
单选题REPUGNANCE:(A) attraction(B) lethargy(C) blame(D) virtue(E) awe
单选题If the sum r+s is 2 less than the difference r-s，then s= A. -2 B. -1 C. 0 D. 1 E. 2
单选题ANOMALY:
单选题PATINA:(A) inherent feature(B) insignificant scrutiny(C) coincidental happening(D) new achievement(E) unfinished task
单选题By referring to the period at the end of the sentence (lines 16-18), the author intends to point up the atom' s(A) density(B) mystery(C) velocity(D) consistency(E) minuteness
单选题PROPITIATE:(A) exhilarate(B) beleaguer(C) infuriate(D) divert(E) absolve
单选题The passage provides an answer to which of the following questions?(A) What is the explanation for the phenomenon of bioluminescence in marine life?(B) Does the phenomenon of plankton bioluminescence have any practical applications?(C) Why do only certain specimens of marine life exhibit the phenomenon of bioluminescence?(D) How does underwater bioluminescence differ from atmospheric bioluminescence?(E) What are the steps that take place as an individual microorganism becomes bioluminescent?
单选题What is the least common multiple of 21 and 35?
单选题
单选题ENTHUSIASM : MANIA ::(A) loathing : neurosis(B) consideration : generosity(C) irritation : phobia(D) suspicion : paranoia(E) sweetness: mellifluousness
单选题Which of the following hypothetical discoveries, if made, would be most likely to reduce the technical difficulties in producing plastic from organic crops?