Tom: Hello, how are you?
Lucy: 1.________
Tom: 2.________
Lucy: It is Monday.
Tom: 3.________
Lucy: It's windy and cool.
Tom: How's the weather in July in Shijiazhuang?
Lucy: 4.________
Tom: How's the weather in December in Shijiazhuang?
Lucy: 5.________
A.It's hot and sunny. |
B.I'm fine, thanks. |
C.What day is it, Lucy? |
D.It's cold and snowy. |
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