Today is a special day. It is the second
A.Saturday | B.Friday | C.Sunday |
A.Women’s | B.Mother’s | C.Father’s |
A.park | B.shop | C.school |
A.grow | B.buy | C.buys |
A.do | B.clean | C.want |
A.rest | B.time | C.present |
A.morning | B.afternoon | C.evening |
A.to | B.at | C.with |
A.sad | B.tired | C.happy |
A.sweet | B.small | C.bad |
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