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I have four friends. They have different(不同的) hobbies. Carla likes collecting picture cards. She has many coulourful and beautiful picture cards. Li Mei likes collecting stamps. She has many stamps from America and England. They are interesting. Bob’s hobby is collecting toy cars. He has a big box. It’s full of toy cars. Mark’s hobby is collecting maps. Look! This is Mark’s bedroom. There are so many maps on the wall!
1．Carla’s hobby is collecting maps.（_______）2．Li Mei has stamps from Australia（_______）
3．Bob has a box of toy cars. （_______）
4．There are many maps in Mark’s bedroom. （_______）
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
