專四100條閱讀難句：sentence 27

　　While the kinds of instruction offered in these programs will differ, distance learning usually signifies a course in which the instructors post syllabi (課程大綱), reading assignments, and schedules on Websites, and students send in their assignments by e-mail. (07.12 Passage 1)

　　分析主干：distance learning signifies a course

　　1.句首While 引導(dǎo)狀語從句，有讓步、對(duì)比之意。

　　2.in which 引導(dǎo)定語從句修飾a course，該從句本身是and 連接兩個(gè)分句構(gòu)成的并列結(jié)構(gòu)，兩個(gè)分句分別講到有關(guān)老師和學(xué)生的情況。post... on Websites 結(jié)構(gòu)中，post 含有3 個(gè)賓語。

　　譯文：雖然網(wǎng)絡(luò)課程提供的教學(xué)形式會(huì)各不相同，但遠(yuǎn)程學(xué)習(xí)通常都表現(xiàn)為這樣一種課程：教師將課程大綱、閱讀作業(yè)及課程進(jìn)度安排在網(wǎng)站上公布，學(xué)生通過電子郵件提交作業(yè)。