五年级科学练习题2

Quiz
•
Science
•
5th Grade - University
•
Hard
CHAI Moe
Used 24+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪项不是北极熊适应寒冷气候的方法?
厚厚的脂肪隔绝严寒
黑色皮肤吸收太阳的热能
迁徒到温暖的地区
内外两层厚毛可以保暖和抵御寒风
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪项是大雁适应严寒气候的方法?
进行冬眠
身上有厚毛
躲在洞穴里
迁徒到温暖的地方
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如果鳄鱼不会保护幼儿,使鳄鱼绝种了,对其他生物会造成什么影响?
鳄鱼所吃的动物数量会增加
鳄鱼栖息地里的植物数量会增加
以鳄鱼幼儿为食的动物数量会增加
以鳄鱼幼儿为食的动物会涌入鳄鱼的栖息地
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
在自然界中影响动物物种继续生存的因素是什么? (两个答案)
恶劣的气候
动物的天敌
居住环境的空气污染程度
主人的喂食
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
黄先生的油棕园的老鼠数量忽然增加了,使到油棕产量减少了。请问黄先生可以饲养哪种动物来解决油棕园里的问题?
猴子
猫头鹰
青蛙
兔子
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
食物链的主要能量来源来自哪里?
水源
空气
太阳
土壤
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
仔细观察图片。
哪些是生产者,哪些是消费者?
生产者:L ;消费者:K,M,N
生产者:K,N;消费者:L,M
生产者:L,M;消费者:K,N
生产者:M,N;消费者:K,L
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