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A sports meeting is held in the forest now. The competitions includes swimming, running, jogging, jumping, etc. The athletes have prepared for a long time. So no one missed this chance.
Look! The game has begun! Many animals are competing with each other. You can see the birds flying. They fly so high. The monkeys are running. They run very fast as if they were the wind. The fishes are swimming. How freely they are! They are swimming so beautifully that everyone is screaming. The rabbits are jumping while the tigers are climbing. They are both happy and excited.
1．A sports meeting is held in the forest now.2．The birds are eating.
3．The monkeys are climbing.
4．The fishes are swimming.
5．The tigers are running.
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
