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It is remarkable, the character of the pleasure we derive from the best books. They impress us with the conviction that one nature wrote and the same reads. We read the verses of one of the great English poets, of Chaucer, of Marvell, of Dryden, with the most modern joy—with a pleasure, I mean, which is in great part caused by the abstraction of all time from their verses. There is some awe mixed with the joy of our surprise, when this poet, who lived in some past world, two or three hundred years ago, says that which lies close to my own soul, that which I also had well-nigh thought and said. But for the evidence thence to the philosophical doctrine of the identity of all minds, we should suppose some pre - established harmony, some foresight of souls that were to be, and some preparation of stores for their future wants, like the fact observed in insects, who lay up food before death for the young grub they shall never see. I would not be hurried by any love of system, by any exaggeration of instincts, to underrate the Book. We all know, that as the human body can be nourished on any food, though it were boiled grass and the broth of shoes, so the human mind can be fed by any knowledge. And great and heroic men have existed who had almost no other information than by the printed page. I would only say that it needs a strong head to bear that diet. One must be an inventor to read well. As the proverb says, "He that would bring home the wealth of the Indies, must carry out the wealth of the Indies." There is then creative reading as well as creative writing. When the mind is braced by labor and invention, the page of whatever book we read becomes luminous with diverse references. Every sentence is doubly significant, and the sense of our author is as broad as the world. We then see, what is always true, that as the seer's (有异常洞察力的人) hour of vision is short and rare among heavy days and months, so is its record, perchance ( 意外的 ), the least part of his volume. The discerning will read, in his Plato or Shakespeare, only that least part—only the authentic utterances of the seer—ail the rest he rejects, were it never so many times Plato's and Shakespeare's. Of course there is a portion of reading quite indispensable to a wise man. History and exact science he must learn by laborious reading. Colleges, in-like manner, have their indispensable duty—to teach elements. But they can only highly serve us when they-aim not to drill, but to create; when they gather from far every ray of various genius to their hospitable halls, and by the concentrated fires, set the hearts of their youth on flame.
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皮皮学刷刷变学霸
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【判断题】由于反应焓变的单位为kJ·mol-1,所以热化学方程式的系数不影响反应的焓变值。
A.
正确
B.
错误
【判断题】长饮鸡尾酒容量常在180毫升以上。
A.
正确
B.
错误
【多选题】检维修作业规程分为()。
A.
检维修作业规程母本
B.
检维修作业规程子本
C.
检维修项目作业指导书
D.
检维修项目作业指导卡
【判断题】长饮鸡尾酒容量常在180毫升以上。
A.
正确
B.
错误
【单选题】下列关于我国证券投资基金的发展概况描述中,不正确的有( )。
A.
基金规模快速增长
B.
现阶段的主流基金形式为封闭式基金
C.
基金产品差异日益明显
D.
基金的投资风格趋于多样化及信息
【多选题】下列关于我国证券投资基金的发展概况描述中,正确的有( )。
A.
基金规模快速增长
B.
现阶段的主流形式为封闭式基金
C.
基金产品差异日益明显
D.
基金的投资风格趋于多样化
【单选题】以下关于密度梯度离心技术的描述,哪一个是错误的?
A.
在采用密度梯度离心法分离细胞或者细胞器的时候,使用的浓度梯度跨越目的细胞或者细胞器的越多,分离到的目的细胞或者细胞器会越纯净。
B.
为了获得更纯净的目的细胞或者细胞器,最好先用密度梯度离心法作初步离心,获得包括目的细胞或者细胞器在内的粗提组分,再用差数离心法进一步离心。
C.
通过制备更多个离心介质的密度梯度,这样可以使细胞或者细胞器在密度梯度离心后进入更狭窄的密度梯度层。
D.
常用的密度梯度离心介质多为惰性物质,如甘油、蔗糖、多聚蔗糖等。
【单选题】下列关于我国证券投资基金的发展概况描述中,不正确的有( )
A.
基金规模快速增长
B.
现阶段的主流基金形式为封闭式基金
C.
基金产品差异日益明显
D.
基金的投资风格趋于多样化
【单选题】设置辅助区域的目的不包括(    )
A.
体现人性化服务
B.
提升品牌形象
C.
提高商品质量
D.
提升产品附加值
【单选题】等密度梯度离心的梯度介质为( )
A.
蔗糖
B.
甘油
C.
氯化铯
D.
多乙烯多胺和丙烯酸加成制备
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