P4 第2冊 常作 2潔淨的水
Quiz
•
Science
•
4th Grade
•
Practice Problem
•
Easy
Gs SAS
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17 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
[一, 1] 香港政府興建引水道和___來收集雨水。
水塘
濾水廠
抽水站
配水庫
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
[一, 2] 在食水中加入___,有消毒作用。
氟化物
氯氣
二氧化碳
氧
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
[一, 3] 怎樣能確保食水可以安全飲用?
定期保養和清洗儲水箱
把食水煮沸
使用防銹水管輸送食水
以上三項都是
4.
MULTIPLE SELECT QUESTION
30 sec • 10 pts
[一, 4] 水質受污染對人們有甚麼影響?
不能進行水上活動
造成山泥傾瀉
可能會吃了受污染的海產
以上三項都是
5.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
[二, 1] 我是輸水管。我把___水從廣東省輸送到香港。
東江
浴缸
魚缸
西江
南江
6.
DRAG AND DROP QUESTION
45 sec • 5 pts
[二, 1] 水在供給人們飲用前,會在濾水廠經過
(a) 、 (b) …
7.
DRAG AND DROP QUESTION
45 sec • 10 pts
[二, 1] 水在供給人們飲用前,會在濾水廠經過沉澱、過濾,並加入 (a) 氣、 (b) 等,然後被送到配水庫,最後到達用戶。
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