搜索
A.
B.
C.
D.
E.
F.
[[QOrDeR]]—What time is it? （
—It’s seven o’clock.
【小题2】—What’s that? （
—It’s a yacht.
【小题3】—Do you like eggs? （
—Yes, I do.
【小题4】—Who’s this woman? （
—She’s my aunt.
【小题5】—Is this your sweater? （
—No, it isn’t.
【小题6】—What’s that? （
—It’s a cake.
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
