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Sarah, Jane and Nancy are very good friends. Sarah is taller than Nancy. Nancy is thinner than Jane. Jane is heavier than Sarah. How old are they? Sarah is 10 years old. Jane is 1 older than Sarah. Nancy is 2 younger than Jane. They study at No. 1 Primary School. Sarah likes Chinese. Jane likes art. Nancy likes maths. They all study hard.
1．Sarah, Jane and Nancy are very good friends.2．Sarah is shorter than Nancy.
3．Nancy is older than Sarah.
4．They study at Shi Yan Primary School.
5．Sarah likes Chinese. Jane likes art.
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
