宋代诗人王安石的《书湖阴先生壁》中有“一水护田将绿绕,两山排闼送青来”的诗句。据此完成下面小题。
1.在该诗描述的农村地区,目前最可能见到上图四种农业活动中的( )
A.甲 | B.乙 | C.丙 | D.丁 |
A.土壤贫瘠 | B.劳动力供应不足 |
C.淡水资源短缺 | D.宗教信仰分歧 |
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