科学 四年级 topic 2.1 and 2.2
Quiz
•
Education
•
4th Grade
•
Practice Problem
•
Hard
Jing Mei
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40 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
( )是人体进行气体交换的场所。
肺部
胸部
屁股
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
( )的上升和下降可以控制胸腔收缩和扩张。
鼻子
横膈膜
肺部
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
肺部是由许多( )组成的。
肺泡
肺包
气管
肺管
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
吸入进体内的氧气通过( )输送到全身。
血液
汗液
尿液
气管
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
( )是胸腔在固定时间内收缩和扩张的次数。
呼吸
小便
呼吸率
排泄
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
激烈的活动会使我们的呼吸率( )
减低
提高
不高不低
保持不变
Answer explanation
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
平稳 / 不需体力活的活动会让我们呼吸率( )
保持不变
提高
没有呼吸
下降
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