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（____）1. A. Can I try it on? B. Can I try them on? C. Can I have a look?
（____）2. A. Those shoes are blue. B. Those socks are blue. C. Those shorts are black.
（____）3. A. It's fine today. B. It's snowy today. C. It's warm today.
（____）4. A. How's the weather today? B. How are you? C. What's the weather like today?
（____）5. A. An elephant has a long nose. B. A cat has small ears. C. A monkey has a long tail.
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
