Which of the following best summarizes the main idea of the text?
A.More financial support is a key to new technology.
B.Greater focus is required for ocean exploration.
C.Oil production has done great damage to the sea.
D.The United States can benefit more from deep-diving.
第1题
It is implied in the last two paragraphs that______.
A.the acidification is an indicator of the declines of the ocean
B.humans should harmonize their activity with the laws of nature
C.climate change has endangered many marine creatures
D.most energy for future development can be obtained from the sea
请帮忙给出正确答案和分析,谢谢!
第2题
The authors experience in the sub mentioned in Paragraph 4 is to______.
A.introduce some species people scarcely know
B.enrich our knowledge about the ocean
C.amuse us with more vivid details
D.exemplify the need for marine conservation
请帮忙给出正确答案和分析,谢谢!
第3题
The author holds that further ocean exploration mostly relies on______.
A.human intellect
B.cost reduction
C.development of technology
D.participation of more nations
请帮忙给出正确答案和分析,谢谢!
第4题
What can we infer from Paragraph 1?
A.Ocean exploration has made little progress so far.
B.Deep parts of the solar system should be studied.
C.More work is needed for a better use of marine resources.
D.Submersibles can hardly reach as deep as one mile underwater.
请帮忙给出正确答案和分析,谢谢!
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