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【单选题】
Cell phones have played an important role in our lives. However, there are times when their use can be annoying, and inappropriate in a business setting. So when you are making phone calls, you should not _______.A.
speak loudly when using your cell in public places
B.
if you must drive and use your cell, use hand-free equipment
C.
be sure ringtones are not offended or are songs that contain lyrics that may be offensive
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【单选题】__ 是马克思列宁主义在中国的运用和发展,是被实践证明了的关于中国革命和建设的正确的理论原则和经验总结,是中国共产党集体智慧的结晶。
A.
毛泽东思想
B.
邓小平理论
C.
三个代表思想
D.
科学发展观