珊瑚是哪种生物?
WBS G3 海洋知识竞赛

Quiz
•
Science
•
3rd Grade
•
Medium
徐凡 徐凡
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36 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
动物
植物
微生物
非生物
2.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
海洋中可以发电的鱼是( )。
章鱼
墨鱼
射水鱼
电鳗
3.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
海洋动物中有“瞌睡大王”之称的是( )。
海豚
海象
海狮
海豹
4.
DROPDOWN QUESTION
1 min • 5 pts
鱼类是靠 (a) 来平衡身体。
5.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
为什么海水是蓝色的?
光的反射和散射
光的折射
海水本身是蓝色的
因为海水里有盐
6.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
下列海洋动物中,属于鱼类的是( )。
鲸鱼
章鱼
鲍鱼
鲨鱼
7.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
在海洋的各种污染物中,对海洋的破坏最严重、最普遍的是( )。
重金属
石油及其产品
农药等化学物品
病原微生物
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