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【单选题】Water Resource Humanity uses a little less than half the water available worldwide. Yet occurrences of shortages and droughts (干旱) are causing famine and distress in some areas, and industrial and agr...
A.
build big lakes to store water
B.
construct big pumping stations
C.
build small and cheap irrigation systems
D.
channel water from nearby rivers to cropland
【单选题】Humanity uses a little less than half the water available worldwide. Yet occurrences of shortages and droughts (干旱) are causing famine and distress in some areas, and industrial and agricultural by-pr...
A.
guarantee full protection of the environment
B.
centralize the management of water resources
C.
increase the sense of responsibility of agencies at all levels
D.
encourage local and regional of water resources
相关题目：
【单选题】高温：干旱
A.
焚烧：火灾
B.
洪涝：大雨
C.
寒潮：霜冻
D.
台风：龙卷风
【单选题】Water Resource Humanity uses a little less than half the water available worldwide. Yet occurrences of shortages and droughts (干旱) are causing famine and distress in some areas, and industrial and agr...
A.
build big lakes to store water
B.
construct big pumping stations
C.
build small and cheap irrigation systems
D.
channel water from nearby rivers to cropland
【判断题】刺 槐 喜光,耐干旱瘠薄,不耐涝,对土壤要求不严。
A.
正确
B.
错误
【单选题】在我国，干旱与洪涝常相伴而生，其主要影响因素是( )
A.
季风活动
B.
地面状况
C.
太阳辐射
D.
海陆位置
【单选题】以干旱为主的自然特征是四大地理区域中的：（ ）
A.
北方地区
B.
南方地区
C.
青藏地区
D.
西北地区
【单选题】在遇到严重干旱时，对于不耐旱的草种，必须（），使其能够生存。
A.
增加湿度
B.
减少蒸腾
C.
灌溉
D.
减少消耗
【单选题】干旱下伤流中含量增加的物质是（ ）
A.
细胞分裂素
B.
脱落酸
C.
蔗糖
D.
酰胺类氨基酸
【判断题】某地夏季较热，冬季严寒且干旱少雨，则该地气候分区可能是2-1-4。( )
A.
正确
B.
错误
【多选题】干旱按照发生的原因分类为?
A.
土壤干旱
B.
大气干旱
C.
生理干旱
【多选题】干旱的发生及危害程度主要与（）有关。
A.
气候条件
B.
植被覆盖率
C.
土壤状况
D.
农作物种植
【多选题】根据干旱对自然和社会的影响分为()。
A.
A、气象干旱
B.
B、农业干旱
C.
C、水文干旱
D.
D、经济干旱
【单选题】Humanity uses a little less than half the water available worldwide. Yet occurrences of shortages and droughts (干旱) are causing famine and distress in some areas, and industrial and agricultural by-pr...
A.
guarantee full protection of the environment
B.
centralize the management of water resources
C.
increase the sense of responsibility of agencies at all levels
D.
encourage local and regional of water resources
【单选题】下列有关干旱的叙述，不正确的是
A.
非洲是世界上旱灾最严重的地区
B.
干旱常发生在降水变化大的地区
C.
干旱会引发人畜饮水困难
D.
干旱地区发生的干旱不能算干旱
【单选题】干旱影响植物正常生长的根本原因是______。
A.
原生质脱水
B.
代谢紊乱
C.
机械损伤
D.
膜透性改变