①pants ②classroom ③tomato ④English class
⑤music class ⑥skirt ⑦horse ⑧cloudy
⑨sunny ⑩potato ⑪carrot ⑫dress
⑬rainy ⑭hen ⑮sheep ⑯shorts
⑰goat ⑱computer room ⑲snowy ⑳Chinese class
teachers' office PE class green beans playground
1.onion:
2.dog:
3.coat:
4.windy:
5.maths class:
6.library:
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