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Lost (丢失): A white dog My name is Allan Green. My phone number is 216-0911. You can email me at allan 6512@163.com. |
Found: A purple schoolbag An English book, a dictionary (字典) and some keys are in it. My name is Jenny Black. My phone number is 612-7878. |
Found: A photo I found a photo in the school library. A teacher, a girl and a boy are in the photo. The teacher is in a blue jacket. Is it yours? Call Mike at 216-9871. |
Lost: A model plane I lost my model plane. I must find it. Call Bill at 678-0911. Email me at bill 808 @126.com. |
| A．Schoolbag | B．dog | C．photo |
| A．A notebook. | B．A dictionary. | C．Some keys. |
| A．White. | B．Blue. | C．Purple. |
| A．Bill | B．Jenny | C．Mike |
| A．612-7878 | B．678-0911 | C．216-9871 |
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
