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（ ）1. I’m going to the bookstore to buy __________.
A. a shirt B. a watermelon C. a Chinese book
( ) 2. Chen: Look, it’s the red light. Amy: Yes, we should________
A. slow down and stop. B. stop and wait C. turn left
( ) 3. If you want to see a doctor, you can go to the____.
A. hospital B. library C. cinema
( ) 4. –Is there a post office near here? —Yes, _____.
A. there is B. there isn’t C. it is
( )5. When you are in the car, the can help us find a place.
A. GPS B. compass C. stars]
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
