四年级科学总复习
Quiz
•
Science
•
1st - 12th Grade
•
Medium
BONG SIAU CHIN Moe
Used 43+ times
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40 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
*30分钟后,杯子里的冰块都融化成水了。*
以上活动涉及了哪项科学技能?
假设
诠释资料
测量和应用数目
运用空间与时间的关系
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(马、羊)/(青蛙、豹)/(鸭、鸡)
以上动物是根据什么方式来分类的?
进食习性
繁殖方式
移动方式
呼吸方式
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
*呼吸率会受到所进行的活动的剧烈程度所影响。*
针对上述情况,以下哪项假设是正确的?
所进行的活动越剧烈,呼吸率就越高
所进行的活动越剧烈,呼吸率就越低
呼吸率越高,所进行的活动越剧烈
呼吸率越低,所进行的活动越剧烈
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
*听到爆竹声掩住耳朵*
上述说明了人类的哪项生命过程?
排泄
遗传
呼吸
对外来刺激作出反应
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
*食物被消化后,营养会被吸收,无法消化的食物残渣就会形成粪便,通过()过程排出体外。
排遗
排泄
呼吸
繁殖
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
哪项有关呼吸率的说明是正确的?
活动越剧烈,呼吸率越低
每个人的呼吸率都是一样的
睡觉时的呼吸率比在慢跑时高
呼吸率会随着所进行的活动的剧烈程度而增加
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
人体内多余的盐分会通过以下哪项排出体外
汗
氧气
粪便
二氧化碳
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