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身高 | 体重 | 生活习惯 | 兴趣爱好 | 性格 | |
过去 | 1.20m | 30kg | 晚睡晚起 | 看电视 | 安静的 |
现在 | 1.60m | 50 kg | 早睡早起 | 读书与游泳 | 活跃的 |
Hello, I’m Amy. I changed a lot. I was 1.20 metres before. Now I’m 1.60 metres. ________________________
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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
