(1)A. colorful B. yellow C. green D. red
(2)A. sharpener B. pencil C. bag D. hello
(3)A. room B. phone C. sofa D. fridge
(4)A. finger B. hand C. body D. foot
(5)A. elephant B. squirrel C. mouse D. bird
(6)A. family B. grandfather C. father D. uncle
(7)A. hamburger B. hot dog C. ice-cream D. lunch
(8)A. peach B. pear C. orange D. fruit
(9)A. jeep B. taxi C. walk D. bus
(10)A. desk B. open C. door D. chair
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