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| John: I lost my schoolbag. It's blue and white. There’s a storybook, an English book and some pencils in it. Can you help me? |
| Mike: Excuse me. I lost my schoolbag. It's black and white. I have a pencil box, four pens and three notebooks in it. Can you help me to find it? |
| Ben: Can you help me? I lost my yellow schoolbag. I have some pencils, a toy and a storybook in it. Thank you! |
| Bob: Help me, please! My red schoolbag is lost. There’s a Chinese book, a maths book and some candies in it. |
1．John’s schoolbag is black and white.
2．Mike lost a pencil box, three pens and four notebooks.
3．Bob lost his red schoolbag.
4．There’s a Chinese book, a maths book and some candies in Ben’s schoolbag.
5．John and Ben both(两者) have a storybook and some pencils in the schoolbag.
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
