
关于水培蔬菜的知识
Quiz
•
Others
•
6th - 8th Grade
•
Practice Problem
•
Hard
Anuj Narang
FREE Resource
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7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
水培蔬菜的好处是什么?
需要使用大量的土壤
可以减少病虫害
不能节约用水
生长速度会很慢
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
水培蔬菜系统中,水循环的动力来自哪里?
太阳能
电力
手动泵
风力
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
水培蔬菜系统中的水需要定期更换吗?
不需要,可以一直循环使用
每天更换
每周更换
定期更换
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
水培蔬菜系统利用的是哪种循环原理?
水循环
空气循环
营养循环
氮循环
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪项不是水培蔬菜系统的组成部分?
水泵
鱼缸
土壤
滤网
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
水培蔬菜系统中,植物的根部主要吸收什么?
空气
土壤
营养液
纯净水
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
水培蔬菜系统中,鱼类的作用是什么?
提供营养
美化环境
增加氧气
吃掉植物残余
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