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（ ）（1）pen A. under B. book
( )（2）desk A. chair B. old
( )（3）hair A. book B. new
( )（4）how A. what B. new
( )（5）sweep A. clean B. colour
( )（6）storybook A. notebook B.candy
( )（7）fan A. boy B. lightw
( )（8）friendly A. quiet B. shoe
( )（9）strong A. hair B. tall
( )（10）maths book A. Chinese book B. wall
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
