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 | Live-streamers | He Wei | Wu Ming | Mei Ping |
| Items |  |  |  | |
| Time | 8:30 a.m. —10:00 a.m. | 2:00 p.m.—4:00 p.m. | 7:00 p.m.—8:30 p.m. | |
| Live-streaming Rooms 直播间 | Prices | ¥150 each ¥280 for two | ¥800 for 1 kilo | ¥1999 |
| Introductions | ·made of Xinjiang cotton ·sizes: XS, S, M,L, XL | ·produced in Yunnan ·made by hand | ·wifi connection ·dry and wet separation （干湿分离） |
1．What are Li Ning T-shirts made of?
| A．Wool(羊毛). | B．Silk. | C．Xinjiang cotton. |
| A．He Wei’s. | B．Wu Ming’s. | C．Mei Ping’s. |
| A．¥950. | B．¥1080. | C．¥1100. |
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
