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Question 2 · Single choice · 中档
A. 取水——保护水源地 B. 输水——减少过程损耗 C. 用水——节约、综合利用 D. 排水——防止当地污染
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Question 3 · Single choice · 中档
1980年以来,黑龙江西部水稻集中种植区向北推移了一个纬度左右,替代了原玉米 种植区。引起这一变化的主要自然因素是
A. 土壤肥力 B. 热量条件 C. 河流汛期 D. 降水总量
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Question 4 · Single choice · 中档
云南某地梯田规模巨大,级数最多的达5000级,现已成为中外闻名的观光景点。当 初修建梯田的主要目的是
A. 保持水土 B. 发展旅游 C. 利于浇灌 D. 便于运输
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Question 6 · Single choice · 中档
A. 惠州南部、汕尾南部、揭阳东南部 B. 阳江南部、广州南部、珠海东南部 C. 湛江东部、中山东部、汕头东南部 D. 茂名南部、东莞西部、潮州东南部
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Question 7 · Single choice · 中档
A. 台风来临前搬走窗口等处的花盆 B. 大风雨就近在临时建筑物旁躲避 C. 台风来临前准备好必要的应急物品 D. 台风中心刚过,仍需留在安全地带
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Question 10 · Single choice · 中档
A. 流向 B. 含沙量 C. 汛期 D. 流量
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Question 12 · Single choice · 中档
关于甲、乙、丙三地多年平均年有效辐射总量的空间分布,下列叙述正确的是
A. 由甲地向乙地急剧增加 B. 由乙地向丙地急剧增加 C. 由甲地向丙地逐渐减少 D. 由丙地向乙地逐渐减少
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Question 16 · Single choice · 中档
我国天山北坡和北疆大部分地区,冬、春两季有时出现较长时间的连续降水。与此直 接相关的天气系统是
A. 快行冷锋 B. 准静止锋 C. 暖锋 D. 反气旋
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Question 17 · Single choice · 中档
A. 地下水位下降 B. 河水流速减慢 C. 淤积速度加快 D. 出现侵蚀后退
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