1.Conservation should,therefore,be made to a part of everyone's daily life. 2.we have no reason to doubt that the Eskimo language could be as precise and subtle on the subject of motor manufacture or cricket if these topics formed part of the Eskimo's life. 3.Garden building is considered an important part of Chinese culture. 4.I accept this responsibility as part of my job. 请教老师，part什么时候前面要a什么不要，老是改错。。