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Do you often climb mountains? Are you afraid of
The mountain is so high and the air is thin. The ice and snow on the mountain, along with coldness and strong winds, make the climb much more difficult and dangerous. Over 300 people lost their
The first people to reach the top of Mount Everest were Edmund Hillary of New Zealand and Tenzing Norgay of Nepal. They got to the top in 1953. To remember the big success, they took photos together in
Kami Rita
Kami Rita comes from a mountain climbing family. His father was one of the first Sherpas to help foreigners go up Mount Everest in the 1950s. Kami Rita’s brother is also good at climbing. When he was 12 years old, Kami Rita

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

