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Simon and Daming are good friends. They are Chinese. But they are working in America. Sometimes they miss their family. So they always go to the Chinatown. There are lots of Chinese shops and restaurants there. They go shopping there and eat delicious food there. You know, Simon and Daming really miss China and they both like Chinese food.
1．Are Simon and Daming brothers? ( )| A．No, they aren't. | B．No, he isn't. | C．Yes, they are. |
| A．They work in China. | B．They work in America. | C．They work in Mexico. |
| A．Yes, there is. | B．Yes, there are. | C．No, there aren't. |
| A．Simon. | B．Daming. | C．Both of them. |
| A．Yes, they are. | B．Yes, they do. | C．No, they aren't. |
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
