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China held the 29th Olympic Games in Beijing. The Games began on August 8, 2008. The slogans are one world, one dream. The Olympic Flag is white. There are five rings on it. They are blue, black, red, yellow and green. They stand for all people of the world. They are brothers and sisters. They are one family. They live in one world. They have one dream.
1．China held the 28th Olympic Games in Beijing.2．The Games began on August 8, 2008.
3．There are five rings on the Olympic Flag.
4．The five rings are black, blue, brown, red, green and yellow.
5．The five rings stand for all people of the world.
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
