Man has been polluting the earth from th...on to another place.
举一反三
- Man has been polluting the earth from the time he first made fire, washed his clothes in the river and threw his waste on the ground. When land was used up or water became (1) , man moved on to another place.
- Deserts and high mountains have always been a ________ to the movement of people from place to place.
- Why can’t the man help the woman（） A: He has never been to the place. B: He has never heard of the place. C: He forgot the direction. D: He is not familiar with the place.
- What has the man been invited to A: A different place. B: A dinner party. C: A history class.
- Deserts and high mountains have always been a ________ to the movement of people from place to place. A: barrier B: fence C: prevention D: jam