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Gao Wei: Mum, this is Dick, my new friend at the art club.
Mum: How old are you, Dick?
Dick: I’m ten.
Gao Wei: Who’s this little girl?
Dick: She’s my sister, Carol.
Mum: How old is she?
Dick: She’s six.
Mum: Oh, she’s cute.
Gao Wei: And Dick is smart!
1．Dick is Gao Wei’s new friend.
2．Dick is six.
3．Carol is ten.
4．Carol is cute.
5．Carol is Dick’s sister.
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
