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Hello, I’m Zhang Peng. This is my bag. It’s black and white. I have a brown and blue ruler. I have a red crayon, an orange crayon, a yellow crayon and a green crayon. I have 3 pencils and 2 pens. My pencil box is black and white. I like my bag.
1．My bag is _____. ( )| A．orange and white | B．blue | C．black and white |
| A．brown | B．blue | C．brown and blue |
| A．1 | B．3 | C．4 |
| A．Zhang Peng | B．Zoom | C．Zip |
A． | B． | C． |
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
