Sentence Explanation
请和你的同学一起认真分析下面句子，并补全所缺内容。这种学习方式能逐步提高你理解长难句的能力。
1. In Europe, where it began, carnival was followed by forty days without meat, as people prepared for the Christian festival of Easter. (P32) 【分析】
①本句是主从复合句；
②主句是“主语（carnival）+谓语（was followed）”结构； ③where引导非限制性定语从句，修饰________； ④as引导时间状语从句。
【句意】狂欢节起源于欧洲，在那里，狂欢节过后会有四十天不食肉的日子，人们在这段日子里，为迎接基督教的节日——复活节——做准备。
【仿写】起源于中国的端午节在农历五月初五庆祝，人们在这一天吃粽子。
_______________________________________________________________________________ 2. As time passed, however, the carnival period was extended, so that it began just after Christmas. (P32) 【分析】
①这是一个主从复合句；
②主句是the carnival period was extended； ③as引导的是时间状语从句； ④so that引导的是_______从句。
【句意】渐渐地，庆祝狂欢节的时间长了，圣诞节一过狂欢节就开始。 【仿写】然而，随着时间的推移，这个节日的风俗发生了很大的变化。
____________________________________________________________________________ 3. For weeks on end people walked round the streets wearing masks, doing what they wanted without being recognised. (P32) 【分析】
①这是一个主从复合句。 ②主句是“主语（people）+谓语是（walked）”结构, round the streets是地点状语。wearing masks和doing what they wanted without being recognised都是动词-ing形式短语作伴随状语。
③what引导的从句作doing的宾语。without being recognised是介词短语作________语。 【句意】连续几个星期人们戴着面具走在街上，为所欲为而不会被认出来。 【仿写】工人们穿着工作服从工厂里出来，一路说笑着。
____________________________________________________________________________ 4. Finally, when Venice became part of the Austrian empire, at the end of the eighteenth century, masks were banned completely, and carnival became just a memory. (P33) 【分析】
①本句是主从复合句；
②主句由and连接的两个并列分句masks were banned completely和carnival became just a memory构成；
③when引导________从句；
【句意】最后，在18世纪末，当威尼斯成为奥地利帝国的一部分时，面具被完全禁止了，狂欢节成为一种回忆。
【仿写】最后，当表演以一个笑话结束时，人们禁不住大笑，并响起了热烈的掌声。
_______________________________________________________________________________ 5. As you wander through the streets, you see thousands of masks — elegant or frightening, sad or amusing, traditional or modern — but you have no idea what the faces behind them look like. (P33) 【分析】
①本句是一个由but连接的并列复合句。 ②在but前面的句子中，As引导________状语从句。主句为“主（you）+谓（see）+宾（thousands of masks）”结构。elegant or frightening, sad or amusing, traditional or modern作后置定语修饰前面的thousands of masks。
③在but后面的句子中，what引导________从句，说明idea的具体内容。
【句意】当你走在街上，你会看到成千上万的面具，高雅的或吓人的，忧伤的或有趣的，传统的或时尚的，但你并不知道面具后面的面孔是什么样子。
【仿写】当我路过那所小学的时候，我看见许多家长聚集在那里，但我不知道他们在那里干什么。
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参考答案
SENTENCE EXPLANATIONS 1.【分析】③Europe 【仿写】In China, where it began, the Dragon Boat Festival is celebrated on the fifth day of the fifth month of the lunar year, when people eat zongzi. 2.【分析】④结果状语
【仿写】As time passed, however, the customs of the festival changed a lot. 3.【分析】③状
【仿写】The workers went out of the factory, wearing their working clothes, talking and laughing all the way. 4.【分析】③时间状语
【仿写】Finally, when the performance ended with a joke, people couldn’t help laughing out loud, and warm applause broke out. 5.【分析】 ②时间 ③同位语
【仿写】As I passed by that primary school, I saw many parents gathering there, but I had no idea what they were doing there.