Boy: Thisisaphotoofmyfamily.
Girl: Letmehavealook. Whoishe?
Boy: Heismyfather.
Girl: Whatdoeshedo? Isheapoliceman? He’stallandstrong.
Boy: No. He’sadoctor.
Girl: Issheyourmother? Whatdoesshedo?
Boy: She’sateacher. She’sverynice.
Girl: Whoisthegirl? Whatdoesshedo?
Boy: She’sanurse.
Girl: She’s very beautiful.
(1) Whatdoesboy’sdaddo?
(2) Whatdoesboy’smumdo?
(3) Whatdoesboy’ssisterdo?

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

