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【单选题】
初产妇，临产10小时。肛查：已开全，先露为头，棘下4 cm。此时产力组成是下列哪种情况A.
子宫收缩力+腹肌收缩力+膈肌收缩力
B.
子宫收缩力
C.
子宫收缩力+膈肌收缩力
D.
子宫收缩力+腹肌收缩力
E.
子宫收缩力+腹肌收缩力+膈肌收缩力+肛提肌收缩力
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反馈参考答案：
举一反三
【简答题】两个亲本杂交后,双亲杂交种 F1 再与亲本之一再连续杂交的方式叫( )。
【判断题】Except for remarks that will be recorded by the press or used in legal proceedings, a good rule of thumb is: “Don’t read your presentation.”
A.
正确
B.
错误
【判断题】A good rule of thumb for individuals starting a new business is to not rely on personal resources.
A.
正确
B.
错误
【判断题】A good rule of thumb about the discarding of respondents is that such decisions should be made before conducting any analysis.
A.
正确
B.
错误
【判断题】The front desk is divided into several equally equipped workstations. The number of workstations depends on the size of the hotel. A good rule of thumb is 1 workstation per 500 guest rooms.
A.
正确
B.
错误
【简答题】A good rule of thumb is to omit it unless your( ) performance is excellent.
【单选题】A front desk is divided into several equally equipped workstations. According to the article, the number of workstations depends on the size of the hotel. However, a good rule of thumb is 1 workstat...
A.
10
B.
50
C.
100
D.
250
E.
500
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