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【简答题】
个人所得税的征税对象是个人取得的应税所得。()
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【简答题】Situated in the South West of England, between Exeter and Plymouth, Torquay is one of the most popular holiday resorts in Britain. It provides a variety of entertainment, sports of every kind and cult...
【简答题】D Life has changed in Mexico City．Streets normally filled with people are empty．One of the most popular professional soccer teams recently played a in an empty stadium that can seat more than100,...
【简答题】阅读理解。 Most British telephone cards are just plain green, but card collecting is becoming a popular hobby in Britain and collectors even have their own magazine, International Telephone Cards. One reas...
【简答题】我国的线装书最早出现在 ( ) 代,而同时代的发明家( )发明了活字印刷术,从而大大促进了当时我国出版业的发展。
【单选题】在毕升发明的泥活字传入欧洲400年以后，德国人约翰内斯·谷登堡发明了铅活字印刷术，开始使用铅合金浇铸活字排印书籍。谷登堡对印刷术的发明创新发明推动了（）
A.
中国宋明理学的传播和地方教育的普及
B.
欧洲文艺复兴运动和宗教改革的进程
C.
中国诗词、小说、戏剧等文学艺术的繁荣
D.
欧洲城市大学的产生和启蒙运动的发展
【单选题】已知一对正确安装的标准渐开线圆柱齿轮传动,其压力角ɑ= 20 o ,模数m=4mm,传动比i12=3,中心距a=144mm。则两齿轮的分度圆直径分别为
A.
18mm和54mm
B.
20mm和60mm
C.
72mm和216mm
D.
80mm和240mm
【单选题】The black color is _______ this year. [ ]
A.
the most popular
B.
most popular
C.
the popularest
D.
popularest
【简答题】___的___发明了活字印刷书。
【单选题】已知一对对安装的标准渐开线圆柱齿轮传动,其压力角ɑ= ,模数m=4mm,传动比i12=3,中心距a=144mm。则两齿轮的分度圆直径分别为
A.
18mm和54mm
B.
20mm和60mm
C.
72mm和216mm
D.
80mm和240mm
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