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There are many kangaroos in Australia and they are not only in zoos. You can see them everywhere outside the cities and towns. Kangaroos have very strong legs, so they are very good at jumping. I heir tails are very strong, too. So when they want to have a rest, they rest on their tails. Kangaroos are also very good at looking their babies. They eat grass, leaves, roots and some flowering plants; Mother Kangaroos keep their babies safe in their pockets.
1．There are many kangaroos in _________. ( )| A．the cities | B．Australia | C．the towns |
| A．jumping | B．dancing | C．running |
| A．with their legs | B．on their tails | C．with their feet |
| A．Mother | B．Father | C．Brother |
| A．roots and leaves | B．grass and flowering plants | C．both A and B |
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
