《绿水青山看中国》节目中有一句谚语“山北黄牛下地,山南水牛犁田”。据此完成下面小题。
1.依据谚语中展现的农耕景象推断,这里的“山”是指( )A.天山山脉 | B.昆仑山脉 | C.秦岭 | D.南岭 |
A.水稻 | B.青稞 | C.花生 | D.小麦 |
A.以水田为主 | B.作物一年一熟 | C.以畜牧业为主 | D.盛产苹果、甜菜 |
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