
114水汙染
Authored by 至文 張
Science
6th Grade
Used 1+ times

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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
人為的污染源則來自人們各種活動及開發所產生者。以下何者是市鎮污水中最常見的污染源?
Answer explanation
市鎮污水包括家庭污水、商業、機關團體、學校及廢水量大於3OCMD(m^3/day)之事業廢水等。市鎮污水含有固體、糞便、油脂、廚餘等,內含有大量的病菌及有機物最易影響環境衛生。家庭用的清潔劑、殺蟲劑及除草劑亦是市鎮污水之重要來源,且其毒性較強。
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
下列何者「不是」水質污染會對河川生態造成的影響?
Answer explanation
水污染不僅對人類有很大的影響,對於其他生物,也造成相當大的威脅。例如:水質優氧化後,水中溶氧量減少,造成水生動、植物大量死亡。而水中如果含有有毒物質或油污,也會造成水生動、植物和以它們為主食的動物,體內含有毒素,甚至死亡。
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
下列何者「不是」改善水污染的方法?
Answer explanation
使用環保清潔劑,減少水質惡化,降低磷污染;正確與適當的施用農藥及肥料,減少農藥和肥料的農業污染;避免在水庫區野炊、戲水與養殖,會破換水質。
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
下列何者是水資源受到污染後會對人類產生的影響?
Answer explanation
水與我們的生活是密不可分,再加上有效可利用的水資源少之又少,如果水受到污染,水資源就變得更少,而我們食用受污染的魚類也會影響自身健康。
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
下列何者是造成水受到污染的主要原因?
Answer explanation
臺灣目前的水污染來源包括:家庭污水、工業廢水、畜牧業污染和石油外洩等。而家庭污水是最主要的來源。
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
下列何者是減少水受到污染的作法?
Answer explanation
水污染的來源主要是工廠排放廢水、農民大量使用農藥、家庭排放的污水以及石油外洩等等,因此減少農藥不當的使用是防止水污染的方法之一。
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
下列何種行為可能會造成水污染?
Answer explanation
水污染:指水因物質、生物或能量之介入,而變更品質,致影響其正常用途或危害國民健康及生活環境。
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