(1)《劝学》中举例论证借助外物的重要性时说,终日殚精竭虑思考,却“
(2)李白在《行路难(其三)》中写道:“且乐生前一杯酒,何须身后千载名?”但他的《行路难(其一)》的举止却是与此观点相左:“
(3)古代文人墨客描写长江的古诗词众多,将长江置于广袤空间,写出长江万千气象的句子,如“
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同类型试题
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y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
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y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
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