Hello! I’m Lucy. I’m an American girl. I’m 12 years old. I’m 155 cm and 41kg. I like singing and dancing. Every day I go to school with my good friend Amy. We go to school on foot. Amy is 11 years old. She’s 2 kg heavier than me. But I’m 3 cm taller than her. We study in Xiang Yan Primary School. Lily is my sister. She’s one year older than me. She likes sports. She is taller and stronger than me.
1.Lucy is older than Amy.2.Amy is 158 cm tall.
3.Lily is 2 years older than Lucy.
4.Amy is 3 kg heavier than Lucy.
5.Lily is stronger and taller than Lucy.
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