• 2021-04-14
    Animals can become unusually _____ when they are upset by a suddenenvironment change.
  • aggressive

    内容

    • 0

      The water (or snow) can become acidified when a pollutant combines with______ in the air.

    • 1

      She has been known to become upset at the ________ of blood.

    • 2

      When you change your mind about stress, you can change your body's response to stress.

    • 3

      There is already clear ______ to show that plants and animals are being affected by climate change.

    • 4

      the people have become masters of their country science can really serve the people. A: It is only then; that B: It was that; when C: It is only when; that D: It was when; then