Part 6Self Check自我检测，综合提升自我检测，综合提升Unit 7Whats the highest mountain in the world?endangered endangered PacificPacificsquaresquaremetermeterdesertdesertachievementachievementgovernmentgovernmenttourtourprotectprotectancientancientexcitementexcitementwildwildtouristtourist man-mademan-madeamazingamazingpopulationpopulationdeepdeepAsiaAsiafreezingfreezing southwesternsouthwestern conditionconditionthickthickillnessillnessadultadultprotectionprotectionC C B B D D D D B B C C C C B B C C B B D D B B B B C C D D D D A A F F B B G G Turn off the lights orTurn off the lights orGet fewer and fewerGet fewer and fewerother electric machines other electric machines stop polluting it and makestop polluting it and makeProtect drinking water,Protect drinking water,full use of itfull use of itRecycleRecycle4/Four 4/Four becoming worse and worse. We must do something to stop becoming worse and worse. We must do something to stop The environment isThe environment ispeople from polluting the environment. people from polluting the environment. First, we can go to school on foot and tell our parents to First, we can go to school on foot and tell our parents to walk to work instead of driving the car. Second, we should walk to work instead of driving the car. Second, we should save water and electricity by turning off the taps, fans, TV save water and electricity by turning off the taps, fans, TV sets and lights in time when we donsets and lights in time when we dont need them. Whatt need them. Whats s more, water should be reused by us. Third, it is good to more, water should be reused by us. Third, it is good to make full use of paper. We should use the both sides of the make full use of paper. We should use the both sides of the paper. By doing this, we can save more trees. paper. By doing this, we can save more trees. I believe our life will become better and better if weI believe our life will become better and better if wecan do these things. Letcan do these things. Lets take actions!s take actions!