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【单选题】
以下关于呼吸肌的说法,错误A.
所有能够提肋的肌肉都可助吸气
B.
B、除肋间内肌外，所有胸肌都与吸气有关
C.
C、腹肌与呼气有关
D.
D、膈是最重要的呼吸肌
E.
E、膈与排便、分娩等活动无关
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【简答题】I am a person who can get angry easily. But since I read an article 1 by my English teacher, things have changed a lot. I’m 2 at a boarding (寄宿的) school. So I 3 learn not only how to study well, but a...
【单选题】The man ( ) be my English teacher . H e has gone to Canada .
A.
might
B.
must
C.
can't
D.
can
【单选题】My English teacher is really ___．She is often seen working in her office far into the night．
A.
warm-hearted
B.
easy-going
C.
hard-working
D.
self-confident
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