A. —Nice to meet you. —Nice to meet you, too. B. —Is it a bus? —No, it’s a bike. C. —What’s your name? —My name is Ben. D. —Please clean your nose. —OK. E. —Who’s this pretty girl? —She is my sister. F. —Where is your ball? —My ball is under the chair. G. —What’s this? —It’s a picture of a family. H. —May I use your pencil? —OK. Here you are. I. —Touch your feet, please. —OK. J. —Who’s he? —He’s my grandpa. |
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2.
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8.
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9.
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10.
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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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