(1)A. classroom B. bathroom C. bedroom
(2)A. key B. crayon C. pen
(3)A. four B. twenty C. toow
(4)A. cat B. kitchen C. fish
(5)A. phone B. fridge C. on
(6)A. table B. soup C. sofa
(7)A. bowl B. spoon C. juice
(8)A. dinner B. doctor C. breakfast
(9)A. fork B. chopsticks C. four
(10)A. fish B. noodles C. desk
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