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Today is Saturday. It’s sunny. Mary, Tom, Peter and John don’t need to go to school. They are going to go out do some sports. First, they will put on their shorts. They are going to have a match about riding on the horse. Sometimes they have to turn left at the corner, sometimes they have to turn right at the corner, sometimes they have to go straight. At the end of the race, Tom is the first one to get there. But what a pity, Peter hurts his foot, they should go to the hospital quickly.
1．It’s Sunday today, and it’s sunny. （______）2．There are five children riding horses on Saturday. （______）
3．The race is very exciting. （______）
4．John is the winner at last. （______）
5．Tom hurts his foot during the race. （______）
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
