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听力原文：Tonight I' m very proud to tell you that we will be bringing the very talented songwriter, Missy Waters. She has just returned directly from a very successful tour of Europe and I have no doubt Missy will dazzle you with skills as a jazz singer and songwriter. But just when you thought it could not get better, it does. Missy' s brother and renowned jazz trumpeter, Jackie Waters, will also be joining Missy on stage making it the first time the pair has played together in 25 years. On drums we will have Charlie Marker, and on the bass, we will have Boom Boom Jones. Never before have so many of the greats of modern jazz come together under one roof to entertain, dazzle and delight. So, without further ado, let' s give a very special welcome to the four. What is the purpose of this announcement?A.
To promote a best-selling record
B.
To introduce a jazz quartet
C.
To promote a famous trumpeter
D.
To push an upcoming concert
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【判断题】1949年12月2日,中央人民政府委员会第四次会议决定1949年10月1日为中华人民共和国宣告成立的日子,每年的10月1日为中华人民共和国国庆日。()(题库2019)
A.
正确
B.
错误
【简答题】1949年12月2日,中央人民政府委员会第四次会议决定1949年10月1日为中华人民共和国宣告成立的日子, 每年的10月1日为中华人民共和国国庆日。____
【简答题】国外政府对互联网内容的技术监管主要有( )、( )两种科技手段。