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Mary and Kate are sisters. They just had a physical examination(体检). These are some of the results.
| | Mary | Kate |
| Age | 12 | 10 |
| Height | 130cm | 110cm |
| Weight(体重) | 40kg | 30kg |
| Hair | long, black | short , brown |
| Eyes | brown | blue |
They are healthy.
( ) 1. Mary is Kate’s sister.
( ) 2. Kate is older than Mary.
( ) 3. Mary has long and brown hair.
( ) 4. Mary is 10kg heavier than Kate.
( ) 5. Their eyes’ colour is same.
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
