科学初二下册Ch07生物界中氧和二氧化碳循环
Authored by 杨翊材老师 杨翊材老师
Science
7th - 12th Grade
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22 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 12 pts
下列哪项与肺泡完成气体交换无直接关系？
肺泡虽小，数目很多
肺泡外缠绕着毛细血管
肺泡壁由一层细胞构成
支气管入肺后反复分支
2.
MULTIPLE CHOICE QUESTION
30 sec • 12 pts
图7-1为模拟膈肌运动的示意图。下列相关叙述中，正确的是？
甲图演示吸气，膈肌收缩
乙图演示吸气，膈肌舒张
甲图演示呼气，膈肌舒张
乙图演示呼气，膈肌收缩
3.
MULTIPLE CHOICE QUESTION
30 sec • 12 pts
人体能不断的把氧气从外界吸入到肺并不断的把二氧化碳排出体外，其原因是人体不断进行着（ ）。
呼吸作用
呼吸运动
光合作用
以上皆非
4.
MULTIPLE CHOICE QUESTION
30 sec • 12 pts
某人重复三次测定的肺活量及平均值如图，他的肺活量是？
4000毫升
4100毫升
3600毫升
3900毫升
5.
MULTIPLE CHOICE QUESTION
30 sec • 12 pts
呼吸过程中吸进的氧气进入人体最终要到？
肺
细胞
血液
心脏
6.
MULTIPLE CHOICE QUESTION
30 sec • 12 pts
人体要不停地呼出体内的二氧化碳，这些二氧化碳气体在（ ）形成。
肺泡
毛细血管
细胞
静脉
7.
MULTIPLE CHOICE QUESTION
30 sec • 12 pts
下列人员中，最不容易患上与呼吸系统相关的职业病的是？
工业区居民
被动吸烟者
交通警察
园林工人
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