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( )(1)It’s time for PE class. A Hand in the homework.
( )(2)It’s time to go to the garden. B Draw a tree.
( )(3)It’s time for lunch. C Jump and run.
( )(4)It’s time to go to the library. D Have some chicken.
( )(5)It’s time for English class. E Drink some milk.
( )(6)It’s time to go to the teacher’s office. F Water the flowers.
( )(7)It’s time for breakfast. G Read and write.
( )(8)It’s time to go to the art room. H Read a book.
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
