
四年级科学
Authored by NGU ING ING
Other
4th Grade
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40 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪种情况会使人类感觉呼吸较困难?
天气比平日冷时
患上伤风感冒时
做了热身运动后
喝了热的饮料后
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
一个学生参与足球运动后不断喘气的情况。以下哪项是最合理的解释?
他的身体需要更多氧气来制造更多能量
他必须从体内排出各种废物
他必须把体内的食物消化掉
他要平衡呼气和吸气的次数
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
图中显示人类的某个器官。以下哪项是图中器官的主要功能?
保护气体不受污染
使体内充满氧气和水分
使氧气和二氧化碳可以进行交换
把体内的二氧化碳变成有用的气体
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下资料和人类的呼吸过程有关,
Q - 横膈膜上升
R - 胸腔扩张
S - 腹部缩小
以上哪项是人类吸气时的情况?
Q
R
S
R和S
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
当我们在呼吸时,横膈膜会往下移,使胸腔扩张。哪项是吸气过程时的正确排列?
空气 鼻子 气管 肺
空气 气管 鼻子 肺
肺 鼻子 气管 空气
肺 气管 鼻子 空气
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
肺是人类主要的呼吸器官,肺是由什么组成的?
氧气
血管
肺泡
气管
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
嘉敏结束运动后站在原地慢慢地呼吸,当嘉敏呼气时,哪种气体含量最多?
废气
氧气
一氧化碳
二氧化碳
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