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OG19 OG20 OG2022	The passage suggests that relatively bright carotenoidbased coloration is a signal of which of the following characteristics in males of certain animal species?
Magoosh	The Alvarezes concluded that a meteorite was responsible for a mass extinction because
Ready4	It can be inferred from information presented in the passage that if the mass of a stellar object is less than 3.6 solar masses, which of the following must be true as a consequence?
Ready4	In citing factors beyond binding affinity in the highlighted text, the author is referring to factors that most likely include which of the following?
Ready4	According to the passage, the researchers believe that the ex-urban location of the cenote was due primarily to
PREP08 Test 1	The economy around Lake Paqua depends on fishing of the lake's landlocked salmon population. In recent years, scarcity of food for salmon there has caused a decline in both the number and the size of the adult salmon in the lake. As a result, the region's revenues from salmon fishing have declined significantly. To remedy this situation, officials plan to introduce shrimp, which can serve as a food source for adult salmon, into Lake Paqua.Which of the following, if true, most seriously calls into question the plan's chances for success?
	Prolonged spells of hot, dry weather at the end of the grape-growing season typically reduce a vineyard's yield, because the grapes stay relatively small. In years with such weather, wine producers can make only a relatively small quantity of wine from a given area of vineyards. Nonetheless, in regions where wine producers generally grow their own grapes, analysts typically expect a long, hot, dry spell late in the growing season to result in increased revenues for local wine producers.Which of the following, if true, does most to justify the analysts' expectation?
	A study made by a psychologist shows that spending too much time in front of a computer causes insomnia. Two groups of adults took part in this study. During the study the first group spent 3 hours or less per day working on a computer; the second group spent 6 hours or more working on a computer. A greater proportion of the second group had trouble falling asleep during the period of the study than members from the first group.Which of the following, if true of the adults in the study, most challenges the psychologist's conclusion?
	In North America there has been an explosion of public interest in, and enjoyment of,opera over the last three decades. The evidence of this explosion is that of the 70 or so professional opera companies currently active in North America,45 were founded over the course of the last 30 years.The reasoning above assumes which one of the following?
OG17 OG18 OG19 OG20 OG2022	The primary purpose of the passage is to
OG17 OG18 OG19 OG20 OG2022	The air quality board recently informed Coffee Roast, a small coffee roasting firm, of a complaint regarding the smoke from its roaster. Recently enacted air quality regulations requires machine roasting more than 10 pounds of coffee to be equipped with expensive smoke-dissipating afterburners. The firm, however, roasts only 8 pounds of coffee at a time. Nevertheless, the company has decided to purchase and install an afterburner.Which of the following, if true, most strongly supports the firm's decision?
GWD	The primary purpose of the passage is to
Ready4	Which of the following best conveys the relationship between the statement about the mountains' appearance () and the passage as a whole?
Magoosh	Locust swarms have ravaged much of Suwathia, resulting in the loss of vital agriculture. A multinational company has recently proposed using metarhizium, a fungus that invades the exoskeleton of the locust, causing a swift death. The government of Suwathia argues that the one means of application of metarhizia—from an airplane—will require a great amount of the fungus, which is difficult to acquire. Given that the locusts propagate rapidly, the government maintains that only a complete annihilation of a locust swarm will have the desired effect.Which of the following, if true, best argues in favor of the multinational company's plan to drop metarhizium over locust swarms?
Magoosh	Five years ago, the town of Bayside, in the Katonic River Valley, had catastrophic flooding one spring, and consequently, most insurers now refuse to write flood insurance for houses in Bayside. The town of Dryadia, in the Phemptic River Valley, is much like Bayside in its proximity to a similar river at an almost identical point in the river valley. We can conclude that the only reason the same insurers do not write flood insurance for houses in Dryadia either is its similarity to Bayside in terms of where it is situated in the river valley. Which of the following, if true, would most seriously undermine the argument?
Ready4	The author of the passage mentions which of the following as one disadvantage of the "more practical" definition of innovation, as mentioned in the highlighted text?
	A rectangular yard (white area) is surrounded by a hedge (shaded region) with a length of 15 meters and a width of 12 meters, as shown in the figure above. The area of the yard is equal to the area of the hedge. If the ratio of the length of the hedge to the width of the hedge is the same as the ratio of the length of the yard to the width of the yard, what is the width, in meters, of the yard?
OG19-语文分册 OG20-语文分册	Most scholars agree that King Alfred (A.D. 849-899) personally translated a number of Latin texts into Old English. One historian contends that Alfred also personally penned his own law code, arguing that the numerous differences between the language of the law code and Alfred's translations of Latin texts are outweighed by the even more numerous similarities. Linguistic similarities, however, are what one expects in texts from the same language, the same time, and the same region. Apart from Alfred's surviving translations and law code, there are only two other extant works from the same dialect and milieu, so it is risky to assume here that linguistic similarities point to common authorship. The passage above proceeds by
Ready4	Which of the following titles best summarizes the contents of the passage?
Ready4	Which of the points on the number line above, $<font color='#FE8080'>A</font>$ , $B$ , $C$ , $D$ , or $E$ , has the second least absolute value?