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M(mom): What would you like for breakfast, Chen Gang?
X(Chen Gang): I’d like an _g_
and some _at_ _
.M: Let’s clean the r_ _m.
X: Let me clean the w_n_ _w
.M: Chen Gang, put your _u_e_
in your bag.X: Ok, mom.
M: Good b_ _
.X: Mom, there ia a photo under the bed.
M: Who is it ?
X: I don’t know. He’s a d_ _i_ e_
M：Oh，he’s your _nc_ _ .
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
