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It’s spring now. The trees are green, The grass is green, The flowers are beautiful . They’re red, blue, pink, yellow…Look, the Greens(格林一家) are in the park. They’re flying kites. The kites are nice. Some are red, some are colourful. They are happy now. They’re sitting in a car. They want to go home.
1．It’s winter now. （_____）
2．The flowers aren’t beautiful. （_____）
3．The Greens are flying kites. （_____）
4．The kites are nice. （_____）
5．The Greens have a car. （_____）
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
