
1.下列景点不在图示区域的是( )
A.杭州西湖 | B.颐和园 | C.古镇周庄 | D.东方明珠电视塔 |
A.政策 | B.科技 | C.交通 | D.地形 |
A.水源 | B.矿产资源 | C.劳动力 | D.市场 |
A.西藏拉萨 | B.四川成都 | C.云南昆明 | D.黑龙江哈尔滨 |

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

