• 2022-05-28
    Questions 8 to 9 are based on the following news. At the end of the news item, you will be given 20 seconds to answer the questions. Now listen to the news. Why didn’t man find a trace of water in moon rocks
    A: Because there is no water in the moon.
    B: Because the moon is a big sand trap.
    C: Because the rocks that were brought to the earth is dry.
    D: Because volatile elements in water have burned away.
  • 举一反三