• 2022-05-31
    volcano is to lava as ()
    A: geyser is to water
    B: fault is to tremor
    C: glacier is to fissure
    D: avalanche is to snow
    E: cavern is to limestone
  • A

    内容

    • 0

      __________,<br/>explorers could never have found the cave. A: But for the<br/>fissure had been spotted B: If not the<br/>fissure had been spotted C: Had the fissure<br/>not been spotted D: Had not the<br/>fissure been spotted

    • 1

      The flood is caused by______. A: the water in the Mississippi River B: Huricane Katrina C: melted snow and heavy rains D: rich farmlands

    • 2

      Which of the following is true according to the video? A: Scientists haven't reach consensus on the origin of water. B: Volcano eruption brought about the water in the original form on the earth. C: The formation of atmosphere helps to entrap the water coming from the collosion of asteroids.

    • 3

      After being ________, the particles of water unite and form clouds; then they fall down in the form of fog, rain, snow, or hail.

    • 4

      Two<br/>breakdown mechanisms in a bipolar transistor are ( ). A: punch-through. B: reverse<br/>breakdown C: avalanche<br/>breakdown D: near<br/>avalanche breakdown