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(单选题)While he was investigating ways to improve the telescope, Ne (单选题)At this university, a medal together with a prize of certain (单选题)By the time he realizes he ______ into a trap, it’ll be too (单选题)The doctor is skilled at treating heart trouble and never ac (单选题)With the company making ______ profits, all the employees ar (单选题)—Thank you very much for the advice you gave me.— ______ (单选题)Companies expect young people to have ______ just academic q (单选题)______ in the crowd, he deliberately raised his voice and cl (单选题)—I hear Kris had an accident as he was riding his bike to sc (单选题)None of us can ______ why he did so. It is rather strange.