1、
Yeasts capable of leavening bread are widespread, and in the many centuries during which the ancient Egyptians made only unleavened bread, such yeasts must frequently have been mixed into bread doughs accidentally. The Egyptians, however, did not discover leavened bread until about 3000 B.C. That discovery roughly coincided with the introduction of a wheat variety that was preferable to previous varieties because its edible kernel could be removed from the husk without first toasting the grain.
Which of the following, if true, provides the strongest evidence that the two developments were causally related?
A.Even after the ancient Egyptians discovered leavened bread and the techniques for reliably producing it were well known, unleavened bread continued to be widely consumed.
B.Only when the Egyptians stopped the practice of toasting grain were their stone-lined grain-toasting pits available for baking bread.
C.Heating a wheat kernel destroys its gluten, a protein that must be present in order for yeast to leaven bread dough.
D.The new variety of wheat, which had a more delicate flavor because it was not toasted, was reserved for the consumption of high officials when it first began to be grown.
E.Because the husk of the new variety of wheat was more easily removed, flour made from it required less effort to produce.
这道题压根不知道他说什么，答案选的C。NN可以帮帮忙不？
2、Which of the following most logically completes the argument?
The irradiation of food kills bacteria and thus retards spoilage. However, it also lowers the nutritional value of many foods. For example, irradiation destroys a significant percentage of whatever vitamin B
答案选E，根本不知道他说啥、
3、 Which of the following most logically completes the passage? Concerned about financial well-being of its elderly citizens, the government of Runagia decided two years ago to increase by 20 percent the government-provided pension paid to all Runagians over 65. Inflation in the intervening period has been negligible, and the increase has been duly received by all eligible Runagians. Nevertheless, many of them are no better off financially than they were before the increase, in large part because ________. A. They rely entirely on the government pension for their income B. Runagian banks are so inefficient that it can take up to three weeks to cash a pension check C. They buy goods whose prices tend to rise especially fast in times of inflation D. The pension was increased when the number of elderly Runagians below the poverty level reached an all-time high E. In Runagia children typically supplement the income of elderly parents, but only by enough to provide them with a comfortable living 答案选E，我选了C，不理解。 4、 GWD-8-Q22: When storing Renaissance oil paintings, museums conform to standards that call for careful control of the surrounding temperature and humidity, with variations confined within narrow margins. Maintaining this environment is very costly, and recent research shows that even old oil paint is unaffected by wide fluctuations in temperature and humidity. Therefore, museums could relax their standards and save money without endangering their Renaissance oil paintings. Which of the following is an assumption on which the argument depends? A. Renaissance paintings were created in conditions involving far greater fluctuations in temperature and humidity than those permitted by current standards. B. Under the current standards that museums use when storing Renaissance oil paintings, those paintings do not deteriorate at all. C. Museum collections typically do not contain items that are more likely to be vulnerable to fluctuations in temperature and humidity than Renaissance oil paintings. D. None of the materials in Renaissance oil paintings other than the paint are vulnerable enough to relatively wide fluctuations in temperature and humidity to cause damage to the paintings. E. Most Renaissance oil paintings are stored in museums located in regions near the regions where the paintings were created. 答案为D，我选C。。。 谢谢大家！ When storing Renaissance oil paintings, museums conform to standards that call for careful control of the surrounding temperature and humidity, with variations confined within narrow margins. Maintaining this environment is very costly, and recent research shows that even old oil paint is unaffected by wide fluctuations in temperature and humidity. Therefore, museums could relax their standards and save money without endangering their Renaissance oil paintings. Which of the following is an assumption on which the argument depends? A. Renaissance paintings were created in conditions involving far greater fluctuations in temperature and humidity than those permitted by current standards. B. Under the current standards that museums use when storing Renaissance oil paintings, those paintings do not deteriorate at all. C. Museum collections typically do not contain items that are more likely to be vulnerable to fluctuations in temperature and humidity than Renaissance oil paintings. D. None of the materials in Renaissance oil paintings other than the paint are vulnerable enough to relatively wide fluctuations in temperature and humidity to cause damage to the paintings. E. Most Renaissance oil paintings are stored in museums located in regions near the regions where the paintings were created. 答案为D，我选C。。。 谢谢大家！ GWD-8-Q22: When storing Renaissance oil paintings, museums conform to standards that call for careful control of the surrounding temperature and humidity, with variations confined within narrow margins. Maintaining this environment is very costly, and recent research shows that even old oil paint is unaffected by wide fluctuations in temperature and humidity. Therefore, museums could relax their standards and save money without endangering their Renaissance oil paintings. Which of the following is an assumption on which the argument depends? A. Renaissance paintings were created in conditions involving far greater fluctuations in temperature and humidity than those permitted by current standards. B. Under the current standards that museums use when storing Renaissance oil paintings, those paintings do not deteriorate at all. C. Museum collections typically do not contain items that are more likely to be vulnerable to fluctuations in temperature and humidity than Renaissance oil paintings. D. None of the materials in Renaissance oil paintings other than the paint are vulnerable enough to relatively wide fluctuations in temperature and humidity to cause damage to the paintings. E. Most Renaissance oil paintings are stored in museums located in regions near the regions where the paintings were created. 答案为D，我选C。。。 谢谢大家！ When storing Renaissance oil paintings, museums conform to standards that call for careful control of the surrounding temperature and humidity, with variations confined within narrow margins. Maintaining this environment is very costly, and recent research shows that even old oil paint is unaffected by wide fluctuations in temperature and humidity. Therefore, museums could relax their standards and save money without endangering their Renaissance oil paintings. Which of the following is an assumption on which the argument depends? A. Renaissance paintings were created in conditions involving far greater fluctuations in temperature and humidity than those permitted by current standards. B. Under the current standards that museums use when storing Renaissance oil paintings, those paintings do not deteriorate at all. C. Museum collections typically do not contain items that are more likely to be vulnerable to fluctuations in temperature and humidity than Renaissance oil paintings. D. None of the materials in Renaissance oil paintings other than the paint are vulnerable enough to relatively wide fluctuations in temperature and humidity to cause damage to the paintings. E. Most Renaissance oil paintings are stored in museums located in regions near the regions where the paintings were created. 答案为D，我选C。。。 谢谢大家！
Which of the following most logically completes the passage?
Concerned about financial well-being of its elderly citizens, the government of Runagia decided two years ago to increase by 20 percent the government-provided pension paid to all Runagians over 65. Inflation in the intervening period has been negligible, and the increase has been duly received by all eligible Runagians. Nevertheless, many of them are no better off financially than they were before the increase, in large part because ________.
A. They rely entirely on the government pension for their income
B. Runagian banks are so inefficient that it can take up to three weeks to cash a pension check
C. They buy goods whose prices tend to rise especially fast in times of inflation
D. The pension was increased when the number of elderly Runagians below the poverty level reached an all-time high
E. In Runagia children typically supplement the income of elderly parents, but only by enough to provide them with a comfortable living
答案选E，我选了C，不理解。
4、 GWD-8-Q22: When storing Renaissance oil paintings, museums conform to standards that call for careful control of the surrounding temperature and humidity, with variations confined within narrow margins. Maintaining this environment is very costly, and recent research shows that even old oil paint is unaffected by wide fluctuations in temperature and humidity. Therefore, museums could relax their standards and save money without endangering their Renaissance oil paintings. Which of the following is an assumption on which the argument depends? A. Renaissance paintings were created in conditions involving far greater fluctuations in temperature and humidity than those permitted by current standards. B. Under the current standards that museums use when storing Renaissance oil paintings, those paintings do not deteriorate at all. C. Museum collections typically do not contain items that are more likely to be vulnerable to fluctuations in temperature and humidity than Renaissance oil paintings. D. None of the materials in Renaissance oil paintings other than the paint are vulnerable enough to relatively wide fluctuations in temperature and humidity to cause damage to the paintings. E. Most Renaissance oil paintings are stored in museums located in regions near the regions where the paintings were created. 答案为D，我选C。。。 谢谢大家！ When storing Renaissance oil paintings, museums conform to standards that call for careful control of the surrounding temperature and humidity, with variations confined within narrow margins. Maintaining this environment is very costly, and recent research shows that even old oil paint is unaffected by wide fluctuations in temperature and humidity. Therefore, museums could relax their standards and save money without endangering their Renaissance oil paintings. Which of the following is an assumption on which the argument depends? A. Renaissance paintings were created in conditions involving far greater fluctuations in temperature and humidity than those permitted by current standards. B. Under the current standards that museums use when storing Renaissance oil paintings, those paintings do not deteriorate at all. C. Museum collections typically do not contain items that are more likely to be vulnerable to fluctuations in temperature and humidity than Renaissance oil paintings. D. None of the materials in Renaissance oil paintings other than the paint are vulnerable enough to relatively wide fluctuations in temperature and humidity to cause damage to the paintings. E. Most Renaissance oil paintings are stored in museums located in regions near the regions where the paintings were created. 答案为D，我选C。。。 谢谢大家！
GWD-8-Q22: When storing Renaissance oil paintings, museums conform to standards that call for careful control of the surrounding temperature and humidity, with variations confined within narrow margins. Maintaining this environment is very costly, and recent research shows that even old oil paint is unaffected by wide fluctuations in temperature and humidity. Therefore, museums could relax their standards and save money without endangering their Renaissance oil paintings. Which of the following is an assumption on which the argument depends? A. Renaissance paintings were created in conditions involving far greater fluctuations in temperature and humidity than those permitted by current standards. B. Under the current standards that museums use when storing Renaissance oil paintings, those paintings do not deteriorate at all. C. Museum collections typically do not contain items that are more likely to be vulnerable to fluctuations in temperature and humidity than Renaissance oil paintings. D. None of the materials in Renaissance oil paintings other than the paint are vulnerable enough to relatively wide fluctuations in temperature and humidity to cause damage to the paintings. E. Most Renaissance oil paintings are stored in museums located in regions near the regions where the paintings were created. 答案为D，我选C。。。 谢谢大家！
When storing Renaissance oil paintings, museums conform to standards that call for careful control of the surrounding temperature and humidity, with variations confined within narrow margins. Maintaining this environment is very costly, and recent research shows that even old oil paint is unaffected by wide fluctuations in temperature and humidity. Therefore, museums could relax their standards and save money without endangering their Renaissance oil paintings.
Which of the following is an assumption on which the argument depends?
A. Renaissance paintings were created in conditions involving far greater fluctuations in temperature and humidity than those permitted by current standards.
B. Under the current standards that museums use when storing Renaissance oil paintings, those paintings do not deteriorate at all.
C. Museum collections typically do not contain items that are more likely to be vulnerable to fluctuations in temperature and humidity than Renaissance oil paintings.
D. None of the materials in Renaissance oil paintings other than the paint are vulnerable enough to relatively wide fluctuations in temperature and humidity to cause damage to the paintings.
E. Most Renaissance oil paintings are stored in museums located in regions near the regions where the paintings were created.
答案为D，我选C。。。
谢谢大家！
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