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          福建自考網> 試題題庫列表頁> Holonyak was the inventor of the transistor in the early 1950s

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          卷面總分:100分     試卷年份:2023.04    是否有答案:    作答時間: 120分鐘   

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          試題序號

          Holonyak was the inventor of the transistor in the early 1950s


          • A、True


          • B、False


          • C、Not Given


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          更多題目 請在 下方輸入框 內輸入要搜索的題目:

          Which of the following groups would the skyscraper issue most concern?


          • A、Electricians.


          • B、Environmentalists.


          • C、City planners. 


          • D、Television viewers.


          下面的短文有10處空白,每處空白后的括號內有一個詞,請根據短文內容將其正確的形 式填入文中,以恢復文章原貌。

          Cell Phones:Hang Up or Keep Talking?

          Millions of people are using cell phones today. In many places it is actually considered  41  (usual)not to use one. They find that the phones are more than a means of____42____(communicate)—having a mobile phone shows that they are cool and____43___(connect).

          The____44____ (explode)around the world in mobile phone use make some health professional

          worried.Some doctors are____45____(concern)that in the future many people may suffer health problems from the use of mobile phones. In England, there has been a serious debate about this issue. Mobile phone companies are worried about the negative ____46____ (public)of such ideas.They say that there is no____47____(prove)that mobile phones are bad for your health.

          On the other hand, signs of change in the issues of the brain and head can be____48___(detect) with modern scanning equipment. What is it that makes mobile phones____49____(potential)harmful?  The answer is radiation.

          As the discussion about their safety continues, it appears that it's best to use mobile phones less often. Use your regular phone if you want to talk for a long time.Use your mobile phone only when you really need it. Mobile phones can be very useful and convenient, especially in emergencies.In the future, mobile phones may have a____50____ (warn)label that says they are bad for your health.So for now, it's wise not to use your mobile phone too often.

           


          Holonyak was surprised to receive the Lemelson-MIT Prize.


          • A、True


          • B、False


          • C、 Not Given


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