记忆填空
1. To ， therefore， we turn as to the oldest aim inf？luential teacher of our race； from one point of view once our task-master， our servant； from another point of view， our constant friend， instructor inspirer.
2. In manner， and for the same ， we become indifferent to that delicately beautiful or sublimely impressive scenery which the clouds form and reform， compose and dissipate， a thousand times on a summer .