Australia is a very beautiful country. You can play on the beach. You can swim in the blue ocean. You can dive (潜水) and watch the beautiful fish in the ocean, too. It's wonderful! You can see kangaroos everywhere. They are good at jumping and some of them like boxing (拳击). You can find koala bears in the trees. They can sleep for a long time in the tree. They are so lazy (懒惰), aren't they? Kangaroos and koala bears can keep their babies in the pouches (育儿袋).
1.Where can you dive?( )
A.In the pouch. |
B.On the beach. |
C.In the ocean. |
A.Jumping. |
B.Flying. |
C.Swimming. |
A.In the tree. |
B.In the sky. |
C.In the ocean. |
A.In the mouths. |
B.In the pouches. |
C.In the bed. |
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