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Name | Kangaroo |
Home | Australia |
Food | grass |
Body | They have strong tails, long back legs and pointed ears. Some grow 2 meters (米) tall. Female (雌性) kangaroos have a pouch where their babies live. |
Life | about 6 years |
Can | hop quickly; walk slowly; jump very high |
| A．Canada | B．Australia | C．America |
| A．Grass | B．Meat | C．Birds |
| A．肚子 | B．育儿袋 | C．巢穴 |
| A．Five years | B．Seven years | C．About six years. |
| A．Hop quickly. | B．Jump very high. | C．Fly |
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
