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Today is the second of July. It’s Saturday. Mr and Mrs White go shopping by car. They stop their car near a shop. They buy a lot of things and they want to put the things into 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. He begins to open the car for them. Just then a man comes up and shouts, “What are you doing with my car?” Mr and Mrs White have a look at the car’s number and they are frozen (惊呆了) there. It isn’t their car.
1．What date is it today?2．How do Mr and Mrs White go shopping?
3．Can Mr and Mrs White open the door of the car?
4．Who helps Mr and Mrs White?
5．Is this car Mr and Mrs White’s?
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
