It is Sports Festival today. The students of Sunshine Primary School are all on the playground. Some of them are having matches. Some of them are watching. Look, Helen and Yang Ling are running. Helen is running faster than Yang Ling. Liu Tao and David are jumping. Liu Tao jumps higher than some of boys in his class, but David jumps higher than him. Mike and Tom are doing the long jump now. Who jumps farther, Mike or Tom? Oh. Mike is jumping 2cm farther than Tom! They look very happy.
1.It is Sports Day today.2.The students are all having matches on the playground.
3.Yang Ling is running slower (慢) than Helen.
4.Liu Tao jumps higher (高) than David.
5.The students are very happy.
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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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