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Geologists Harris and Gass hypothesized that the Red Sea rift developed along the line of a suture (a splice in the Earth’s crust) formed during the late Proterozoic era, and that significant observable differences in the composition of the upper layers of rocks deposited on either side of the suture give clues to the different natures of the underlying igneous rocks.
Other geologists argued that neither the upper rock layer nor the underlying igneous rocks on the one side of the rift differ fundamentally from the corresponding layers on the other side. These geologists believe, therefore, that there is inadequate evidence to conclude that a suture underlies the rift.
In response, Harris and Gass asserted that the upper rock layers on the two sides of the rift had not been shown to be of similar age, structure, or geochemical content. Furthermore, they cited new evidence that the underlying igneous rocks on either side of the rift contain significantly different kinds of rare metals.
当前版本由长颈鹿在哪里呀更新于2019-03-19 23:25:39 感谢由长颈鹿在哪里呀对此题目的解答所做出的贡献。
Harris和Gass做的事很明确，第二段 Other geologists提出观点，第三段Harris和Gass提出反驳In response, Harris and Gass asserted，respond的内容自然也就是 Other geologists的观点，所以C选项正确。
[填空 ]冲分救命题 -9341
One of the virtues of the essay collection is that it presents_____ views side by side, thereby highlighting the contentious nature of many of the arguments within the discipline.
[阅读&逻辑 ]冲分救命题 -9340
The highlighted sentence serves primarily to
[阅读&逻辑 ]冲分救命题 -9339
The author would most likely agree with which of the following assertions about the environmental impact of hydroelectric power plants?
[阅读&逻辑 ]冲分救命题 -9338
The passage suggests that which of the following contributed to the erosion after the First World War of the progress previously realized by the labor movement in the United States?
[阅读&逻辑 ]冲分救命题 -9337
According to the passage, which of the following statements about the National War Labor Board is true?
[阅读&逻辑 ]冲分救命题 -9336
It can be inferred from the passage that which of the following was one of Local 36’s grievances against the Little Rock laundry owners?
[阅读&逻辑 ]冲分救命题 -9335
The passage is primarily concerned with discussing
[阅读&逻辑 ]冲分救命题 -9334
According to the passage, Appalachian square dancing differs from English country dancing in that Appalachian square dancing
[阅读&逻辑 ]冲分救命题 -9333
The passage suggests that which of the following was true of
[阅读&逻辑 ]冲分救命题 -9332
The statements given are structured to lead to which of the following conclusions?
[阅读&逻辑 ]冲分救命题 -9331
Consider each of the choices separately and select all that apply. It can be inferred that historical demographers generally believe which of the following about communities of fewer than 10,000 people in early-modern Germany?
[阅读&逻辑 ]冲分救命题 -9330
The author suggests that according to historical demographers, the birth rate in early-modem German cities
[阅读&逻辑 ]冲分救命题 -9329
Which of the following most logically completes the argument?
[阅读&逻辑 ]冲分救命题 -9328
The highlighted portion of the passage serves primarily to
[阅读&逻辑 ]冲分救命题 -9327
According to the passage, certain African literatures have
[阅读&逻辑 ]冲分救命题 -9326
It can be inferred from the passage that the Tea Cess Committee reorganized as the Indian Tea Market Expansion Board in order to
[阅读&逻辑 ]冲分救命题 -9325
The passage suggests that "small packets of leaf fragments" were
[阅读&逻辑 ]冲分救命题 -9324
In the argument in the editorial, the part that is highlighted plays which of the following roles?
[阅读&逻辑 ]冲分救命题 -9323
Consider each of the choices separately and select all that apply.Which of the following can be inferred from the passage about the"period of relative warmth"
[阅读&逻辑 ]冲分救命题 -9322
Which of the following best describes the organization of the passage?