(______) 1. We're(A)good(B)in(C)fishing. ________
(______) 2. Your glasses(A)is(B)on your(C)nose. _______
(______) 3.(A)Are(B)your from the(C)UK? _______
(______) 4.(A)I'm in(B)Grade(C)five. _______
(______) 5.(A)I'm(B)no from(C)China. _______
(______) 6.(A)Are(B)them(C)behind the clock? _______
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