We must __________ the rivers which overflow annually. Otherwise floods will frequently strike the areas along the rivers.
举一反三
- Which of the following rivers is NOT adjacent to Mount Tai southward?
- Our rivers are running dry or being polluted. If we go on ignoring this, the consequences (后果) will not be hard to predict.改写为：If we go on ignoring our rivers are running dry or being polluted, the consequences will not be hard to predict.
- The three rivers that must be crossed by the spirits of dead people in the realms of Hades were ________, Cocytus and Styx.
- ( ) of the rivers here have been polluted. ( ) of the rivers here have been polluted.
- The student_____described the beautiful mountains and rivers in his home town. The student_____described the beautiful mountains and rivers in his home town.