One day, a monkey rides his bike near the river. Suddenly, he sees a lion under a tree. The lion runs to him. He is afraid and falls into the river. He can’t swim. He shouts. The rabbit hears him. He jumps into the river. The rabbit swims to the monkey, but he can’t help him. Luckily, an elephant comes along. He is very strong. He helps the rabbit and the monkey. They are very happy. They go to the elephant’s home. Then, they become good friends.
1.A monkey rides his bike near the river. (2.The monkey sees a tiger under a tree. (
3.The monkey falls into the river. (
4.The rabbit helps the monkey. (
5.The monkey and the rabbit go to the lion’s home. (
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同类型试题
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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
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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
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