人教版高一英语必修三unit 4 astronomy language points课件（51张）.pptx
课件51张PPT。Unit 4Unit 4
Astronomy:
the science of the starsTo learn some useful words and expressions in the passageWords:
violent, atmosphere, puzzle
Expressions:
in time, lay eggs, give birth to, prevent…fromChoose the correct word to fill in each of these blanks. At the beginning, the earth had...