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（1）A. cupboard B. blackboard C. bookcase D. pencil case
（2）A. basketball B. volleyball C. baseball D. football
（3）A. where B. there C. these D. those
（4）A. storybook B. notebook C. copybook D. bookmark
（5）A. would B. should C. shoulder D. show
（6）A. January B. February C. June D. July
（7）A. sign B. sing C. song D. some
（8）A. fifteen B. fifth C. fifty D. five
（9）A. horse B. house C. mouth D. month
（10）A. feel B. film C. fish D. feet
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
