• 2022-11-02
    Radiation ______.
    A: is good for crops
    B: can poison food and water
    C: is not harmful to man
    D: is useful to man
  • B

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    • 0

      There isn't water or air on the moon, and ____ man can't live on it. A: a B: the C: one D: /

    • 1

      The young man ______ water for the old man every day.

    • 2

      The story of Yu the Great Taming Water tells us with efforts man can conquer nature.

    • 3

      Small quantities of poison were ______ in the dead man's stomach.

    • 4

      In a microwave oven, radiation penetrates food and is then absorbed primarily by water molecules, caused heat to spread through the food.() A: food B: primarily C: caused D: the food