【单选题】According to the passage, Bianca Sfroza is
A.
a woman who stepped into the field of art on January 30,1998.
B.
a beautiful woman attending a Christie's auction in New York City.
C.
thought to be drawn in early 19th century by a German.
D.
suspected by Kate Ganz as a masterpiece of Leonardo.
【单选题】Chris: Is Andre your roommate?
【判断题】Andre's mun believes Andre cannot do well without Matt.
【单选题】organization/ ɔ:gənai’zeiʃən/
【单选题】civilization/ sivilai’zeiʃən/
【单选题】纵条效应的形成方法:___( )___。
B.
单、双面提花、罗纹、双罗纹组织、集圈组织、添纱组织
C.
单、双面提花、罗纹、双罗纹组织、集圈组织、空气层组织
D.
单、双面提花、罗纹、双罗纹组织、集圈组织、垫纱组织
【单选题】Bianca Sfroza was not believed to be a Leonardo for the following reasons EXCEPT
A.
it is not so possible that a drawing should prove to be a Leonardo.
B.
existing works of Leonardo were all drawn by other materials than vellum.
C.
a real Leonardo work couldn't have been unknown for 500 years.
D.
for 75 years, no expert had ever recognized Bianca Sfroza as a Leonardo.