Doyouknowthateachdayeverypersonthrowsaway4.4poundsoftrash？Howmuchofthatcouldberecycled？MaybeyoushouldgettoknowthethreeRs-Reduce，Reuse，Recycle．Oneofthefirstthingsweshoulddotohelpprotecttheenvironmentis

　　63．C．细节题．结合第二段One of the first things we should do to help protect the environment is to try to make less trash可知第一件事情是少制造垃圾，故选C． 　　64．C．细节题．结合第四段Recycling is the most important part of keeping our planet clean and green可知最重要的部分是循环利用，故选C． 　　65．B．词意理解题．结合One of the first things we should do to help protect the environment is to try to make less trash．Reduce your trash output（产量） by doing things like packing your lunch in reusable containers，and writing on both sides of your paper可知是要少制造垃圾，也就是减少垃圾的产量，故答案是B． 　　66．C．细节题．结合第四段If you are not sure whether something can be recycled，ask your parents or teachers．可知可以问父母老师，故选C．