上海某学校“小小科考队”计划随我国科考队到南极开展科考,并为我国南极地区第六个科考站设计建筑方案。据此回答下列各题。
1.“小小科考队”队员若到南极考察,最应该准备( )A.氧气袋 | B.淡水 | C.防寒服 | D.防晒霜 |
A.竹楼 | B.茅草屋 | C.窑洞 | D.蒙古包 |
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