搜索
It is in the summer. A young man comes to a forest. He’s walking beside the forest. On his right is a river. On his left is the forest. Suddenly he sees two green eyes looking at him from the trees. A tiger is getting ready to jump on him.
What does he do? He must jump into the river. In the river there is a big crocodile. Its mouth is very big. The young man closes his eyes. The tiger jumps over him. And the young man opens his eyes. The tiger is now in the mouth of the crocodile.
1．It is in the summer.2．There is a river on the young man’s left.
3．A tiger is getting ready to jump on the young man.
4．The man is in the mouth of the tiger.
5．The man is afraid of the tiger and the crocodile.
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
