Einstein worked out the theory of relativity with paper and pencil, but could on

游客2023-12-30  19

问题 Einstein worked out the theory of relativity with paper and pencil, but could only speculate on the true nature of subatomic particles.

选项 A、cultivate
B、prophesy
C、expect
D、guess

答案 D

解析 speculate on(推测,考虑),句意:爱因斯坦虽然用纸和笔研究出了相对论,但只能推测亚原子粒子的真实特性。cultivate(培养,陶冶,耕作);prophesy(预言,作为先知);expect(认为,期待,指望);guess(推测,猜测)。所以选项D为答案。
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