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Hello, my friends. Welcome to my home library. I am very happy that you can come here.
There are lots of ways to find infommation. You can find infommation about English words from these dictionaries. You can find information about fashion from the magazines. The books about culure are on Shelf C. You can find information about music from CDs. You can read news in newspapers. I wish you will have a good time here.
1．Where is this place? ( )| A．A home library. | B．A supermarket | C．A book store. |
| A．books | B．computers | C．dictionanies |
| A．Yes, I can. | B．No, I can’t. | C．I don’t know. |
| A．On Shelf A. | B．On Shelf B. | C．On Shelf C. |
| A．from CDs | B．in newspapers | C．in story books |
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
