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(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)Which is the best for this passage? (单选题)The underlined word “bolster” is closest in meaning to _____ (单选题)Which is NOT the reason why more and more people are delayin (单选题)Career may be more important for young people because ______ (单选题)Which of the following is NOT TRUE?