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Look, this is a photo of Jill’s family. You can see Jill’s grandpa. He’s an old man. He can swim fast. Jill’s grandma is fat, but she is beautiful. Jill’s father is a firefighter. He’s cool! Jill’s mother is thin and she can dance well. Jill has a sister. Her name is Tracy. She’s only three years old. She can’t read, but she can play with her toys. Jill loves her family very much.
（1）Jill’s grandfather is not old and he can swim fast.
（2）Jill’s mother can dance.
（3）Tracy is Jill’s cousin.
（4）Jill’s father is a cool driver.
（5）Jill loves her family.
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
