(1)诗人杜甫独自在江畔散步,看到黄师塔前的桃花灿烂地开放着,不禁吟诵道:“
(2)根据《飞向蓝天的恐龙》一文,把恐龙演化成鸟类的过程补充完整:
恐龙出现,和狗一般大小→
(3)纳米技术可以让人们更加健康,表现在:①实现疾病的早期检测与预防;②
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