can be seen as a small part of a large circle. The woman in the __13__ is sitting on a balcony(阳台) and __14__ can be seen behind her. Da Vinci loved to study rocks so these can be seen __15__ in his other paintings. The woman is sitting with her knees __16__ the side. Her head is turned to look out of the painting. Her hands are __17__ together in front of her. This way of __18__ is now used by many __19__ when __20__. The Mona Lisa is a remarkable masterpiece.

　　1．A.up　　　　　　　　　B．in

　　C．on D．about

　　解析：考查固定搭配，work on指从事某一件事。

　　答案：C

　　2．A.but B．thus

　　C．however D．so

　　解析：根据the church painting was not __3__ well.可知上下文意义有"转折"关系。

　　答案：A

　　3．A.doing B．going

　　C．making D．working

　　解析：考查习惯用法。go well表示进展顺利。

　　答案：B

　　4．A.servant B．daughter

　　C．nurse D．wife

　　解析：从下文的the husband可以得到足够的启示。

　　答案：D

　　5．A.must B．should

　　C．might D．can

　　解析：情态动词can表示"能、会"。

答案：D