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Hi, I am Tom. I have a good friend. His name is Jimmy. He has a sister. She’s only five. We often play badminton on Sunday. I have a blue pen and Jimmy has a green eraser. I often borrow his eraser and he often borrows my pen , too. We go to school together from Monday to Friday. But his sister doesn’t go to school.
1．Jimmy is Tom’s good friend. （2．Tom has at sister. （
3．Jimmy and Tom play baseball on Sunday. （
4．Jimmy has a green eraser. （
5．Jimmy’s sister can go to school now. （
同类型试题
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
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
