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Sarah: Thank you.
Mike: How old are you?
Sarah: I’m nine.
Mike and John: Here you are, two bags and some dolls (玩具娃娃).
Sarah: Thank you. How many dolls?
John: Four dolls.
Sarah: Let’s eat the cake.
Mike and John: Great!
1．Today (今天) is Sarah’s birthday.
2．Sarah is ten.
3．Sarah has (有) three bags.
4．Mike and John give (给) Sarah five dolls.
5．Sarah, Mike and John will (将要) eat the 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
