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Lost and Found Case | ||
Found | Lost | Found |
| Is this your cap? It is black. There is a teddy bear on it. Please call Jack. My telephone number is 8376245. | I lost my school ID card on the playground. The number is 30225766. If you find it, please call me at 36284755. Wang Lin | Some keys are in Class 4. Are they yours? Please email Lily at happy@163.com. |
2．Wang Lin lost his school ID card in his classroom.
3．If you lose your keys, you can ask Lily by email.
4．We can’t find the card number on the school ID card.
5．There are three notices in the Lost and Found Case.
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
