黄河是中华文化的发源地,也是中华民族的母亲河。读图,完成下面小题
1.“派出昆仑五色流,一支黄浊贯中州。吹沙走浪几千里,转侧屋闾无处求。”该诗句中描述了黄河的水文特征是( )
A.凌汛 | B.水土流失 | C.含沙量大 | D.径流量小 |
A.宁夏平原 | B.河套平原 | C.华北平原 | D.黄土高原 |
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