1.你来自哪里?我来自澳大利亚。
______ are you from? I’m from ________.
2.昨天我们爬了乌龟山。
We ______ the Turtle Mountain _______.
3.哈尔滨的海滩是美丽的。
The ______ in Harbin is _______.
4.来享受干净的大地,空气和水。
Come and ______ the ________ land, air and water.
5.刚才我们看见了一些鸟。它们飞得很快!
We ______ some birds just now. They _______ very fast!
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