A.亲切、诚恳 | B.劝告、关心 | C.不好意思 | D.十分高兴 |
(2)小马连蹦带跳地说:“怎么不能?我很愿意帮你做事。”(____)
(3)小马难为情地说:“一条河挡住了去路,我……我过不去。”(____)
(4)老师和颜悦色地说:“看的角度不同,杨桃的样子也就不一样。”(____)
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