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【简答题】
两电阻R1和R2并联，R1=20Ω，R2=30Ω，外接110V直流电压，求电路的总电阻和各支路电流及R1、R2上的发热功率。
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反馈参考答案：
举一反三
【判断题】companies must take into consideration their employees stakeholders and society when formulate their marketing plan.
A.
正确
B.
错误
【单选题】腹股沟斜疝发生嵌顿的主要原因是（）
A.
疝环小，疝内容物有粘连
B.
疝环小，腹内压骤然增加
C.
疝环大，疝内容物脱出较多
D.
腹壁肌肉紧张收缩内环
E.
腹壁肌肉紧张收缩外环
【多选题】-What dose a CEO actually do?
A.
He is responsible to the board of directors for everything that happens in the company.
B.
He or she must give leadership to all company officers, as CEO is also responsible for providing the guidance of philosophy of the company
C.
He should act as official representative, or face of the company.
D.
He should take care of his employees.
【单选题】You work as the enterprise exchange administrator at Xxx .Xxx is using Microsoft Exchange Server 2010 as their messaging solution.What actions must you take to allow employees to change their password...
A.
You must up an IP Block list.
B.
You must use an Outlook Web App Mailbox policy.
C.
You must set up the Segmentation tab settings.
D.
You must set up recipient filtering.
【单选题】All of the employees insisted that their boss _____ take immediate action to solve this difficult problem in the next few days. [ ]
A.
will
B.
should
C.
must
D.
could
【判断题】In marketing, companies must take employees, stakeholders and society into consideration.
A.
正确
B.
错误
【单选题】腹股沟斜疝发生嵌顿的主要原因是（ ）
A.
腹壁肌肉紧张收缩内环
B.
疝环小，腹内压骤然增高
C.
疝环小，疝内容物有粘连
D.
疝环大，但疝内容物过多粘连于疝囊内不能还纳
E.
肌肉紧张收缩外环
【单选题】腹股沟疝发生嵌顿的主要原因是(B)
A.
疝环小，疝内容物有粘连
B.
疝环小，腹内压骤然增加
C.
疝环大，致疝内容物脱出较多
D.
腹壁肌肉紧张内环收缩
E.
腹壁肌肉紧张外环收缩
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