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Look! What’s this? It’s a diskman. Whose diskman is it? It’s Ann’s. What’s that? It’s a toy car. How much is it? It’s twelve yuan. What colour is it? It’s blue. Oh, there are so many Teddy Bears! How many are there? There are eleven. How much is the Teddy Bears? Twenty yuan for each.
( ) 1. It’s Ann’s walkman.
( ) 2. The toy car is twenty yuan.
( ) 3. There are 11 Teddy Bears.
( ) 4. Each Teddy Bears is twenty yuan.
( ) 5. The diskman is blue.
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
