• 2021-04-14
    Based on Section C, what does the underlined word “they” refer to (Whoever they were, they were so advanced that…)?
  • People inhabited the Secret Cities

    内容

    • 0

      ‍What could be found in this section? ‎ A: What techniques, analytical methods or approaches were adopted. B: What samples were prepared and how they were prepared. C: How the experiment was designed. D: All the above.

    • 1

      What does the underlined word “them” in Paragraph 4?

    • 2

      What does the word “them” in the last paragraph refer to?

    • 3

      What does the underlined word “nuts” mean in the last paragraph?

    • 4

      What does the underlined word "robust" in Paragraph 2 mean?