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Betty and Kitty are twins. They're 12 years old. They look the same. __________ they have different（不同的）hobbies. Betty likes collecting __________: monkeys, rabbits, polar bears, dolls…Look at the polar bear. She loves __________ very much. Its hair __________ brown. Its eyes are small but its ears are __________. Kitty likes growing flowers. The flowers are __________ very beautiful. Betty and Kitty both like reading books.
Betty likes reading storybooks. But Kitty likes reading science books. __________ Sundays, they usually ride bikes in the park. They __________ play with their friends there. Sometimes their parents go there too.
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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
