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The Olympic Games takes place every four years. There are Summer Olympics and Winter Olympics. We can see swimming and boating at the Summer Olympics. We can see skating at the Winter Olympics. In August, 2008, China held the 29th Olympic Games in Beijing. On February 4, 2022, China will hold the 24th Winter Olympic Games in Beijing, too.
1．The Olympic Games takes place every four years.2．China held the 29th Olympic Games in winter.
3．We can see swimming at the 29th Olympic Games.
4．We can see boating at the 24th Winter Olympic Games.
5．Beijing will hold the Winter Olympic Games in 2022.
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
