It is no good dwelling on the past. What existed or happened in the past may have been beautiful or exciting and may now bring profound and precious memories, but the past is dead, and it is not healthy for living spirits to linger over a world inhabited by ghosts. The past may also be a place of horror, of regret, of unfortunate deeds that "cannot be undone". It is painful and pointless to fix on the period which cannot be relived or repaired. It is unproductive self-punishment. The past must be kept in its place, outlived and outgrown. It is also useless to worry about the future. Why fly to heaven before it’s time What anxious visions haunt the person who thinks too much about the future He may envision the horrible mushroom cloud, the earth shriveling from radiation, the overpopulated, abused earth gone dead. He may imagine his own life going away, appointments missed, advancements given to someone else, his house burned to the ground, his love lost, everything in his life, as in a nightmare, slipping away from him. There is no end to the disasters a person can worry about when he focused anxiously on the future. There are events in his future, including his own death, over which he has little or no control, but he can ruin his life worrying about them. There are some disasters he may be able to prevent, but he must do that by living well in the present, not simply by worrying about the future. The present moment which is even now moving into the past, is the only reality I know, and I don’t want to miss it. The wild-cherry cough drop dissolving in my mouth is sweet and soothing. Even my sore throat and backache have meaning. The cool night air, the crackling noises of my furnace, my cat yawning and stretching—these are the tangible realities I can recognize. They exist in this moment, together with my own breathing. Along with these are the realities of other people and of all life on this earth that matters to me now, not at some past or future time. Everyone needs a sense of history, but history needs to keep its distance to be appreciated. It is also vital to leave some sense of direction, which means making plans for the future but not becoming preoccupied with them. What is most important, I believe, is living in the present, that is, being alive now.
A．Keep the sweet memories and abandon the bitter ones. B．Repair what has been done wrong in the past. C．Put aside the past no matter it is good or bad. D．Let the past outlive and outgrow our life.
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根据发生机制与特点,I型超敏反应又叫()型,II型又叫()型 ,III型又叫()型,IV型又叫()型。
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以下哪个不是华为云鲲鹏生态帮助伙伴/开发者商业变现的方式？（）
A.华为鲲鹏云专业服务：客户业务系统一站式搬迁服务
B.华为鲲鹏严选馆：鲲鹏应用，优先推荐，快速商业变现
C.华为提供鲲鹏原厂认证：专业团队，专业工具，1对1技术支持
D.华为提供鲲鹏人才培养：专业培训，完善的鲲鹏工程师认证体系
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