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题目： Aid workers have worried that residents of the Eastern Gobi Refugee Camp might be at risk for beriberi, a severe deficiency of Thiamine, a B vitamin. Thiamine is found in high concentrations in cereal grains, and many of the residents have grain free diets because of allergies. Doctors and nutritionists assigned to investigate the situation have disagreed, noting that the residents grow sustenance amounts of potatoes, kale, and cauliflower on the surrounding farm lands, and these foods provide substantial sources of Thiamine as well. Because the residents of this refugee camp do not have any allergies to any of these latter foods, and crops have been good because of favorable weather conditions, their risk of beriberi is much lower than originally thought.In the argument given, the two portions in boldface play which of the following roles?

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题目： 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?

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题目： It can be inferred from the passage that which of the following applies to the merchant and skilled craftsmen in 17th century Holland who traded in tulips?

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题目： According to the passage, Charles Mackay believed which of the following about the "tulip mania" that engulfed Holland in the 17th century?

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题目： The author of the passage believes that an economic bubble occurs when

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题目： The passage details the habits of the desert lizard in order to

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题目： The author implies that, in the desert lizard, the advantages in some forms of social interaction

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题目： The passages suggests that reptiles and amphibians are able to

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题目： The reason that graphs of asteroid rotation rates lack the expected statistical tail associated with high rotational rates is that

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题目： How would the author of the passage most likely respond to the assertion of another scientist claiming that a crater greater than the radius of an asteroid is a result of an impact?

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题目： The example of the sandcastle (in the second paragraph) serves to

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题目： The primary purpose of the passage is to

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题目： The passage mentioned the Biblical idea of Noah's Flood in order to

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题目： All of the following would help support Turcotte's contention that Venus' geology is quite different from every other geological entity in the solar system EXCEPT

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题目： According to the passage, it can most likely be inferred that iridium