I have some pictures of my pen pals. Look! This is Jimmy. He lives in America now. It's next to Canada. He likes playing basketball. He wants to be a basketball player in the future. He goes to school by bike. This is Sally. She is an English girl. She likes Maths and she will be a Maths teacher in 20 years. Paul is an English boy. He likes cooking. He tells me he will be a cook in the future.
1.Canada is next to America.2.Jimmy likes playing basketball.
3.I want to be a basketball player in the future.
4.Sally is an American girl. She will be a teacher.
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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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