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John: Grandpa! Look ___1___ my picture.
Grandpa: Great! What do you ___2____on Thursdays?
John: I have maths, English and music.
Grandpa: Oh, I ____3__music. Who is your___4____teacher?
John: Mr___5____.
Grandpa: ___6___he strict?
John: No, he’s___7___. What ___8___you __9____ ___10___Thursdays, Grandpa?
Grandpa: Oh, I have a___11___ class___12___your grandma!
John: Haha!
1.________2.________3.________4._________5._________6._________
7.________8.________9.________10.________11.________12.________
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
