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| East Computer Centre Wang Qiang Manager Address: 32 Renmin Road, Yibin, 644000 Tel: 0831-8583423 Mobile: 13085723841 | Yibin University Zhang Lin Art Teacher Address: 26 Zhongshan Road Yibin, 644000 Tel: 0831-8785413 Mobile: 18985723841 |
| Yibin Children’s Hospital Liu Jian Doctor Address: 51 Zhongshan Road, Yibin, 644000 Tel: 0831-8657059 Mobile: 13538418572 | Nanxin Taxi Company Sun Nan Driver Address: 197 Sunan Road, Yibin, 644000 Tel: 0831-8534956 Mobile: 13641853872 |
1．Who is a teacher?
| A．Wang Qiang. | B．Zhang Lin. | C．Liu Jian. | D．Sun Nan |
| A．driver | B．manager | C．doctor | D．teacher |
| A．0831-8583423 | B．0831-8534956 |
| C．0831-8657059 | D．0831-8785413 |
| A．197 Sunan Road | B．26 Zhongshan Road |
| C．51 Zhongshan Road | D．32 Renmin Road |
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
