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问题 多项选择题

直线职能型组织结构比直线型和职能型都有优势，它（）。

A.保持了集中统一指挥的特点

B.分工非常细密

C.注重专业化管理

D.下属有灵活的自主权

答案

参考答案：A, B, C

阅读理解

任务型阅读，根据短文内容，回答下列问题。

The English language is changing all the time. New words are created, like DIY, SDA and e-mail. How do words come into English? Many words are borrowed from other languages. From Chinese, for example, English has borrowed words like kowtow and kung fu.

Words have also come into English in unusual ways. Words like classroom and mooncake are two short words which are put together. Also, parts of two words are put together and become a new word. For example, smog comes from smoke and fog. Some words come from longer words, like TV from television, and math from mathematics. Don’t you think all these make English an interesting language?

根据短文内容，完成下列问题。

小题1:Is the English language changing all the time?

                                                      

小题2: Are many English words borrowed from other languages?

                                                      

小题3:Which language does the English word kung fu come from?

                                                      

小题4: What does somg come from?

                                                      

小题5: What is short form television?

                                                      
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问答题

某直导体棒长0.2m，垂直放在磁感应强度为0.5T的匀强磁场中，电阻10Ω，通过电流0.5A，通电时间1min，求

（1）导体受到的安培力多大？

（2）通过导体电荷量多少？

（3）导体棒发热功率及产生热量分别为多少？
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