我们不正像是一本书的上下册吗？
初一英语下册第一课《你的笔友是哪里人？
王名扬：《美国行政法》（下册），中国法制出版社2005年版，第1002页。
Wang Mingyang. Administrative Law in America(vol. 2). Beijing: China Legal Publishing House, 1002 (2005).
顾客通常打电话向商家索要产品目录，商家会在一两周内发送目录， 小学英语三年级下册英语单词。
The customer will usually call the shop for the required catalogue and within one or two weeks the catalogue will be delivered.
他的秘书向我解释，每本由李光耀亲笔签名的回忆录下册，价值是一万新元，售书的所有收入则将捐给慈善机构。
His secretary explained that Lee's autograph is worth 10,000 Singapore dollars for each signed book, and that the proceeds would be donated to charities.
今天晚上，我在我的学习坊学习了七年级英语下册第一单元的内容。当我回到家中后，我又一句接一句地学习了《世界是个大舞台》。
I learned Unit 1 of Seventh Grade's English book at my learning place tonight. When I came back, I learned "All the World is a Stage" sentence by sentence.
北师大新世纪版数学实验教材对函数内容的处理，一是引入较早，从七年级下册开始，一是突出了函数是刻画现实世界中变量相依关系的数学模型的思想。
The new century textbooks for piloting program by Beijing Normal University Press have two characteristics in dealing with functions. One is to introduce the contents early.
北师大新世纪版数学实验教材对函数内容的处理，一是引入较早，从七年级下册开始，一是突出了函数是刻画现实世界中变量相依关系的数学模型的思想。
The new century textbooks for piloting program by Beijing Normal University Press have two characteristics in dealing with functions. One is to introduce the contents early.
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