加适当的动词、情态动词等。

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

　　西方的艺术风格已改变多次了，而中国艺术的变化不太经常。

　　【解析】while conj 却，但是，而（用于强调两种情况，活动等之间的差别）

　　I like tea while she likes coffee.

　　Tom is very outgoing, while Ken's shy and quiet.

　　【辨析】however，but 和while

　　 从词义上看，三词相近，均表示上下文之间语气的转折，其中but语气强烈，译作"但是"；

　　从词性上看，however作"然而、可是"解时是副词，而but与while是连词，用于连接并列分句；从句子位置看，but与while一般位于两个并列分句的中间，而while 侧重两个动作的对比, however位置灵活，可位于可首，句中或句尾，而且必须用"，"与分开。

　　We love peace, but we are not afraid of war.

　　This plan is all right; however, it can be made better.

　　I'm interested in sports while my brother is fond of music.

　　He is young, but he knows a lot.

　　Later, however, he decided to go.

　　【拓展】

　　while 也可以引导让步状语从句,意思为 "虽然，尽管",同though/although。

　　While I like the color of that hat, I don't like its shape.

　　我虽然喜欢帽子的颜色，但我不喜欢它的样式。

　　【名题赏析】(2004广西高考试题)I do every single bit of housework _____ my husband Bob just does the dishes now and then.

　　 A. since B. while C. when D. as

　　【答案】 B while位于两个并列分句的中间，侧重两个动作的对比。

　　3. Art is influenced by the way of life and beliefs of the people, and China, unlike Europe, has followed a similar way of life for a very long time.艺术受到生活方式和人们的信仰所影响，而中国不像欧洲那样，很长时间以来一直遵循着相似的生活方式

　　belief n. 信仰，信条,信任，信赖

　　He explained the beliefs of Taoism to us.

　　My father hadn't much belief in doctors of traditional Chinese medicine.

My belief is that the visiting team will lose.