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【单选题】
人工呼吸机的工作原理是借助机械动力建立A.
肺泡与气道通口的压力差
B.
肺泡与肺静脉入口的压力差
C.
肺泡与肺动脉入口的压力差
D.
肺动脉与肺静脉入口的压力差
E.
肺静脉与肺动脉入口的压力差
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反馈参考答案：
举一反三
【单选题】—Where is Ms Li? —She London.
A.
went to
B.
has went to
C.
has gone to
D.
has been to
【单选题】The room ______ empty because there has been no lightin it at night for a long time.
A.
should
B.
must
C.
wouldn’t
D.
can’t
【单选题】— By the way, where is Li Lei? — He ___ the bookstore. [ ]
A.
has been
B.
has been to
C.
has gone
D.
has gone to
【单选题】The self-management factor consists of four behavioral dimensions. Which of the following was not one of the four dimensions? ( )
A.
Ethics and integrity
B.
Time management
C.
Developing others
D.
Flexibility and adaptability
E.
Self development
【判断题】The future management trends are empowerment self-managed teams. So the top managers are not as important as middle management as middle management has more contacts with the employees.
A.
正确
B.
错误
【判断题】According to the video, self-management is the ability to control others' emotions, moods and impulses.
A.
正确
B.
错误
【简答题】 6. 维持体内环境相对稳定的免疫功能是
【简答题】维持体内环境相对稳定的免疫功能是
【单选题】—Is Miss Li in the office? —No, she ______ the classroom. [ ]
A.
has gone to
B.
has gone
C.
has been to
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