【Pump Technology Edition Daily Question】January 18, 2020 (Spring Festival bonus: 10 Wealth points for those who answer correctly before the answers are revealed)

2020-01-18View Original

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77. Technical research refers to scientific research projects that are closely related to ( ). A. Engineering B. Technology C. Science. The answer to the question from yesterday was: B. 76. When a vertical plane intersects a sphere, the shape of the intersection curve is (B). ?A. Straight line B. Circle C. Ellipse (Answers are released the day before they are made public; 10 wealth points for correct answers before the release, 5 wealth points for correct answers after the release, and 3 wealth points for just participating)

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【Pump Technology Edition Daily Question】January 18, 2020 (Spring Festival bonus: 10 Wealth points for those who answer correctly before the answers are revealed)

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