It’s Sunday today. We are free on Sundays. Now we are playing. Look at John. He is playing chess with Jim. What about the twins? They are flying kites. The kites are very nice and are flying high in the sky. One looks like a bird , the other is like a plane. Li Tao is playing basketball with me. Sarah is listening to English songs under a big tree. How happy we are!
[[QOrDeR]]______are playing chess.
A.John and Jim | B.The twins |
A.The twins | B.Li Tao |
A.Two | B.One |
A.like a bird | B.very nice |
A.Six | B.Seven |
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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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