1.
A.card | B.quarter | C.hard | D.arm |
A.ant | B.date | C.plate | D.name |
A.clever | B.fever | C.next | D.said |
A.visited | B.wanted | C.needed | D.wished |
A.there | B.those | C.thought | D.brother |
A.foolish | B.cook | C.foot | D.look |
A.their | B.pear | C.wear | D.dear |
A.heard | B.nearly | C.clear | D.cheer |
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