• 2022-06-19
    What is the finding of the new study?
    A: Quick-cooking microwave ovens have become more popular.
    B: The frequent use of microwaves may do harm to our health.
    C: CO2 emissions constitute a major threat to the environment.
    D: The use of microwaves emits more CO2 than people think.
    D选项的排放二氧化碳和原文可以匹配。
  • 举一反三