1.从方框中选词填空。
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friendly blackboards strong classroom thin |
Hello! My name is Tom. I'm a boy. I'm ten years old. I'm short and thin. I have a good friend. His name is John. He is tall and .He has blue glasses. He's
.
I have a new . It's big and nice. The desks and chairs are new. They're yellow. The windows and doors are white. You can see two
and a computer in it.
(1) Tom is eleven years old. (
(2) Tom and John are good friends. (
(3) The classroom is big. (
(4) There are two computers in the classroom. (
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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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