1.车胤认为萤火虫照得更亮,就抓萤火虫照明读书。(___)
2.《囊萤夜读》告诉我们无论环境多么恶劣,我们都要勤奋苦学,这样才能有所成就。(___)
3.“过是溪”中的“是”表判断。(___)
4.《铁杵成针》中,李白看见老太太用铁杵磨针,他也想亲自试一试。(___)
同类型试题
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
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