兴趣爱好 | 喜欢课程 | 周末活动 |
喜欢跳舞,擅长英语。 | 数学和科学 | 周六通常上舞蹈课,周日……(自拟内容)。 |
2. 对话不少于3个来回。
Mike: Who is your e-friend?
Alice: ______________________________________
Mike: ______________________________________
Alice: ______________________________________
Mike: ______________________________________
Alice: ______________________________________
Mike: ______________________________________
Alice: ______________________________________
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