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(单选题)The underlined word “prototype” in Paragraph 7 probably mean (单选题)One reason why Varidesk decides to expand from for office in (单选题)The last paragraph mainly explains ______. (单选题)The underlined word “archaic” in Paragraph 5 probably means (单选题)Marx and his colleague Ewan Fordyce discovered that ______. (单选题)Which of the following statements is true? (单选题)The reason why Baleen whales feed on tiny creatures is that (单选题)According to the passage, which of the following is NOT TRUE (单选题)Marie Curie’s feeling of desolation disappeared step by step (单选题)How did Marie’s husband die?