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Are you interested in animals? There are many animals from different places in Beijing Zoo. Let’s have a look.
| Animals | Ages | Home | Food |
| Tiger | 2 years old | Asia | meat |
| Lion | 4 years old | Africa | meat |
| Monkey | 5 years old | America | meat, fruit, eggs |
| Zebra | 6 years old | Africa | leaves, grass |
| Elephant | 8 years old | Yunnan, China | fruit, grass |
1．The tiger is ________ years old.
| A．2 | B．4 | C．6 |
| A．Asia | B．Africa | C．America |
| A．zebra | B．elephant | C．monkey |
| A．fruit | B．grass | C．eggs |
| A．tiger | B．monkey | C．elephant |
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
