英語句子最常用的方法是通過使用一些關聯詞，如 and、or等，或標點符號如：分號，逗號，破折號等，若干個在語義上有聯繫或相互照應的單詞、詞組或子句連在一起組成一種並列或平行結構的`長句，以表達一個複雜得多層次含義。這種句式雖然難度不一定很高，但在複雜長句中還是佔了相當大的比例的.
從今天開始我們就由淺入深，來對這一類型的句子進行練習和攻克。希望大家通過練習能掌握分析這類句式的一般規律和方法。
Exercise
Keeping your head, instead of crowding and pushing to get to an exit, may make the different between life and death when fire breaks out.
The way space is used to enable the individual to achieve privacy, to build homes or to design cities is culturally influenced.
And neither friends nor family can convince phobic people that most animals are harmless, that thousands of travelers fly safely every day, and millions of people ride safely in elevators several times each day.
要點分析和參考譯文
要點：句中主語爲動名詞短語Keeping crowding和pushing兩個動名詞是並列平行結構。
