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One of the most widespread traits among animals is (i)____________. It runs from (ii)____________, such as yawning when others yawn, to emotional (iii)____________, in which the self resonates with fear or joy when it picks up fear or joy in others.
When there is less natural dust blowing into eastern China, the air quality for millions of people there (i)____________: natural dust plays an important role in determining air temperatures and thereby promotes winds to (ii)____________ human-made pollution. Less natural dust, therefore, means the air becomes (iii)____________, with pollution becoming more concentrated and sticking around longer.
The author advances the main argument of the passage by
The primary purpose of the passage is to
Which of the following can be inferred from the passage about the places mentioned in the highlighted section?
If the "deposits" were not discovered prior to 150 years ago, then which of the following would be a logically defensible inference?
Margaret Oliphant's literary output was ____________: it included almost 100 novels, 50 short stories, 25 nonfictional works, and in the region of 400 articles published in the periodical press.
The New York City response to the Astaires was enthusiastic, but in London it was ____________: British audiences had never seen dancers like them, and they associated the pair's seemingly effortless skill with an idea of the United States at its best.
The ____________ of Lord Kelvin's attack on Darwin for the latter's unsophisticated estimate of the minimum age of the Earth suggests that Kelvin's motives were not entirely scientific.
As Peggy Noonan's memoir recounts, the hypocritical attitudes she witnessed among liberal fellow-students had a dramatic effect on her political orientation, causing her to ____________ conservatism.
Which of the following, if true, most seriously weakens the argument?
The highlighted sentence serves primarily to
The passage suggests which of the following about the "reef monitoring surveys”?
The author mentions "Jeffrey Masten" primarily to
According to the passage, the "model of the author"
She was skeptical about the (i)____________reviews of the latest production of the play, feeling that the production she had seen years earlier was (ii)____________, and that any successive attempts must undoubtedly fall short.
In general, observational studies tend to (i)____________ the effect of diet on overall health because a healthy diet is often (ii)____________ a healthy lifestyle. People who watch what they eat probably exercise more, avoid smoking, and follow other behaviors (iii)____________ good health. Any of those behaviors might also help explain why these people have lower disease rates.
Pine stumps have been found in discrete layers in peat deposits throughout western Europe and thus represent brief but distinct episodes of bog colonization by pine. Their occurrence implies conditions on the bog surface suitable for colonization, followed by inhospitable conditions for trees that nevertheless facilitated preservation of stumps. Thus, the (i)____________ of pine stumps can (ii)____________ climate change, by (iii)____________ the inference that bog surfaces had dried sufficiently to allow colonization and then became too wet to support the trees.
The author mentions a "border, fence, or corral" primarily to
In the context in which it appears, the word "holds" most nearly means

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