“鼎”字用部首查字法,先查部首“_______”,再查_______画,第六画的名称是_____________。“鼎”在字典里的解释有:
A.古代用来煮东西的器物; | B.大、重; | C.三方面对立。请用这三个意思分别组词:A.__________;B._____________;C.____________“精”的解释有:①经过提炼或挑选的。②完美;最好。③细。④精通。⑤精神;精力。⑥机灵心细。在下列词语中“精”应选哪种意思?选一选。 |
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