The passage tells us that proof of life on Mars would ______.A.make clear the complex chem
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If you have never seen a power plant, you might find it hard to imagine how enormously com
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In the eyes of the Americans perhaps the most laughable thing Daiwa did was to announce th
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Which of the following statements is true?A.Scientists have solved the mystery about the f
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Which of the following is true about the American future-mindedness?A.The majority of the
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It is hardly necessary for me to cite all the evidence of the depressing state of literacy
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In the 1950s, the pioneers of artificial intelligence (AI) predicted that, by the end of t
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In the case of mobile phones, change is everything. Recent research indicates that the mob
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Phyllis Wheatley is regarded as America's first black poet. She was born in Senegal, Afric
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According to the information in the second paragraph, how do customers approach new produc
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