The style of western art has changed many times, while Chinese art has changed less often. Art is influenced by the customs and __16__ (believe) of people. During the Middle Ages, the main aim of painters was to represent religious themes. Artists were interested in creating a feeling of respect and love__17__God. In the Renaissance , people focused more on humans and less on religion. Artists__18__ (try) to paint people and nature as they really were. Masaccio used perspective in his paintings, which made people__19__ (convince) they were looking through a hole in the wall at a real scene. In the late 19^th century, Europe, __20__used to be a mostly agricultural society, changed a great deal into a mostly industrial__21__. The impressionists were the first__22__ (paint) outdoors. They had to paint__23__ (quick) and their paintings were not as detailed as those of__24__(early) painters. Today people accept impressionists’ paintings__25__the beginning of modern art. Some modern art is abstract while some is realistic.

The style of western art has changed many times, while Chinese art has changed less often. Art is influenced by the customs and __16__ (believe) of people. During the Middle Ages, the main aim of painters was to represent religious themes. Artists were interested in creating a feeling of respect and love__17__God. In the Renaissance , people focused more on humans and less on religion. Artists__18__ (try) to paint people and nature as they really were. Masaccio used perspective in his paintings, which made people__19__ (convince) they were looking through a hole in the wall at a real scene. In the late 19^th century, Europe, __20__used to be a mostly agricultural society, changed a great deal into a mostly industrial__21__. The impressionists were the first__22__ (paint) outdoors. They had to paint__23__ (quick) and their paintings were not as detailed as those of__24__(early) painters. Today people accept impressionists’ paintings__25__the beginning of modern art. Some modern art is abstract while some is realistic.

The style of Western art has changed many times ______ Chinese art has changed less often.

The style of Western art has changed many times, _______ Chinese art has changed less often.

A. while　　　 B. when　　 C. since　　　　　 D. before

The style of Western art has changed many times ______ Chinese art has changed less often.

1. A.
   while
2. B.
   before
3. C.
   since
4. D.
   however