根据短文内容,选出最佳选项。
( )1.There are many kangaroos in _________.
A. the cities B. Australia C. the towns
( )2.Kangaroos are good at ________________.
A.jumping B.dancing C. running
( )3.Kangaroos sleep ______________.
A.with their legs B.on their tails C.with their feet
( )4.__________ keep the babies safe in the pockets.
A. Mother kangaroos B.Father kangaroos C. Brother kangaroos
( )5.Kangaroos eat_________________.
A.roots B.leaves C.grass and flowering plants
A.A,B and 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