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One day Mr and Mrs White go shopping by car. They stop their car near a store. They buy a lot of things and they want to put the things in the car. But Mr White can't open the door of the car, so they ask a policeman to help them. The policeman is very friendly to help them. Just then a man comes up and shouts, “What are you doing with my car?”
Mr and Mrs White take a look at the car’s number and they are frozen there. It isn’t their car.
1．How do Mr. And Mrs. go shopping?2．Where do they stop their car?
3．Who helps them to open the car?
4．Is this their 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
