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【单选题】
One of the major subjects of Robert Frost’s poems is nature. Which of the following can be said about his view of nature in his poetic creation? ( )A.
He considered nature an ennobling force to purify human soul.
B.
He considered nature a contrast to human civilization.
C.
He looked upon nature as a storehouse of analogies and symbols.
D.
He looked upon nature as the opposite of human society.
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【简答题】对混凝土预制桩长桩或总锤击数超过500击的锤击桩，应符合什么条件？
【简答题】混凝土预制桩对长桩或总锤击数超过 500 击的锤击桩,应符合( )条件才能锤击A. 桩位偏差 B. 28 天龄期 C. 桩的承载力 D. 桩体强度
【多选题】混凝土预制桩对长桩或总锤击数超过 500 击的锤击桩,应符合( ) 条件才能锤击
A.
桩位偏差
B.
28 天龄期
C.
桩的承载力
D.
桩体强度
E.
桩的设计长度