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Which of the following, if true, most seriously weakens the argument?
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Which of the following best describes the function of the highlighted sentence?
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The passage is primarily concerned with doing which of the following?
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Life on Europa in the form suggested in the passage would be dependent on
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He was never (i)_____; he was nothing if not (ii)_____, so he forbore for the present to declare his passion.
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In Ramachandran`s opinion, it is perfectly acceptable to propose bold speculations about the brain, even if these speculations seem _____; as Ramachandran frequently remarks, science thrives on risky conjecture.
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Publicity surrounding celebrities' donations to charity is often greeted with cynicism, but a study of celebrity donation shows that they do _____ other donations.
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The concept of the Hellenistic period in ancient history has proved useful but also _____, with scholars disagreeing on the dates when the period began and ended.
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Despite the occasional (i)_____ of their venues, the culture of corporate conferences is a deeply (ii)_____ conference, each day consisted of nearly nine hours of continuous lectures and panels enlivened by pleasantries or anything that could be construed as a joke. The only (iii)_____ sensory deprivation of the sessions came from the handsome color slides favored by the corporate presenters.
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In the northeastern United States, beaver populations had been critically reduced or even _____ in large areas at the end of nineteenth century; as a result, several states instituted prohibitions on beaver trapping.
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Titan, Saturn's largest moon, looks surprisingly _____, even though it is a cold, dimly lit world made from unknown materials.
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It`s hardly _____ the committee calls for: rudimentary competence would be an improvement on the current chaos.
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If n is a positive odd integer and $$k=n^{3}+2n$$, what is the value of $$ (-1)^{k}-(-1)^{k+1}$$?
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