( )1.玩具 A. toy B. doll C. song
( )2.毛线衫 A. dress B. coat C. sweater
( )3.大的 A. big B. small C. tall
( )4.足球 A. basketball B. football C. skipping
( )5.树 A. tree B. pass C. thin
( )6.面条 A. noodles B. milk C. short
( )7.时间 A. watch B. sing C. time
( )8.去上学 A. go to work B. go to school C. go to bed
( )9.夏天 A. cold B. summer C. hot
( )10.在…下面 A. under B. box C. Park
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