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【单选题】
泵抽速是 120L/s ,是 40L/s , 20s 抽气后,罐中抽去气体( )立方米。A.
0.6
B.
6000
C.
0.3
D.
30
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皮皮学刷刷变学霸
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【简答题】人吸气时参与呼吸运动的有关肌肉及胸廓容积的变化是：膈肌______，胸廓______．
【简答题】论述呼吸肌与胸廓运动。
【单选题】The whole building _____ burned down, but the heavy rain _____.
A.
might have; would help
B.
could have been; helped
C.
must have; helped
D.
should have been; was helping
【单选题】简称“S355JR“中的数字有什么意义?
A.
生产厚度 355 mm
B.
屈服强服 355 N/mm 2
C.
抗拉强度 35.5 kN/cm 2
D.
剪切模量 355 000 N/mm 2
E.
抗扭刚度 3.55 MN/m 2
【简答题】Japanese people work very hard at studying English. They start studying English at the age of 12. Most young Japanese people spend a lot of time and work hard at studying English, but Japanese people ...
【单选题】以下说法错误的是________?
A.
胸式呼吸以肋骨和胸骨活动为主，吸气时胸廓前后左右径增大
B.
胸式呼吸胸廓增大，腹部保持平坦
C.
腹式呼吸时膈肌几乎不参与运动
D.
腹式呼吸时胸廓的上下径增大
【简答题】人吸气时参与呼吸运动的有关肌肉及胸廓容积的变化是：膈肌 ，胸廓 。
【单选题】The book provides tips for Westerners who work in Japanese firms: get together outside the office, find a mentor for support and refrain for practicing Japanese with colleagues on the job.
A.
of
B.
fro
C.
off
D.
from
【简答题】简述呼吸过程中胸廓运动及参与的主要肌肉。
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