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（_____） 1. A. It’s on the left of a post office. B. It’s a restaurant. C. It’s on the left of a restaurant.
（_____） 2. A. We go there by train. B. We went there by train. C. I go there by bike.
（_____） 3. A. It’s cold and snowy. B. It’s hot and sunny. C. It’s warm and rainy.
（_____） 4. A. It’s ninety yuan. B. It’s black. C. They are three.
（_____） 5. A. She is a teacher. B. He is a policeman. C. I’m a student.
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
