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Linda and Mary are good friends. Linda is an American girl. Mary [[QOrDeR]]from London. They【小题2】in the same school. Linda’s parents【小题3】in a school. They teach English. They【小题4】cooking and eating Chinese food. They can speak Chinese. Mary’s mother is a salesperson. She can【小题5】beautiful blouses and dresses. Mary’s father【小题6】in a factory. He【小题7】cars. He【小题8】doing housework. Now he【小题9】doing the dishes. They are going to【小题10】pictures next weekend.
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
