The survey randomly selected 4,200 students in 26 primary schools in 19 parts of Taiwan to investigate their reading habits.
答案：(A) various
various parts of Taiwan（台灣各地）表示調查範圍遍及台灣不同地區；convenient／youthful／routine 皆不符合語境。
四個選項都是形容詞，都能修飾後面的 parts，你會憑中文挑一個。
答對率四成三。先看整句在做什麼：The survey randomly selected 4,200 students in 26 primary schools in ______ parts of Taiwan（這項調查在台灣______地區的二十六所小學隨機抽選了四千兩百名學童）。關鍵在 randomly selected（隨機抽選）與 26 primary schools（二十六所學校）——一項要有代表性的調查，抽樣一定要分散在不同的地方，所以填 various（各種的、不同的），various parts of Taiwan 就是「台灣各地」。填進去讀成 in 26 primary schools in various parts of Taiwan。
convenient（方便的）講的是取樣方便，那與隨機抽樣的原則剛好相反；youthful（年輕的）修飾的是人，不是地區；routine（例行的）講的是重複發生的事，地區不會例行。三個都是形容詞，形態吻合，容易被順手選走。
various parts of（……的各地）、a variety of（各式各樣的）、randomly select（隨機抽選）、reading habits（閱讀習慣）、convenient（方便的）、routine（例行的、慣常的）。
The Internet has replaced books as a major source of information for Taiwanese primary school students, according to a recent survey. The survey was conducted last December, and it 16 that 77 percent of the students considered the Internet to be the most convenient source of information. 14 percent of the respondents said they often 17 books for information instead of going online. Of all the students surveyed, 27 percent said they had never used the 18.
The survey randomly selected 4,200 students in 26 primary schools in 19 parts of Taiwan to investigate their reading habits. A total of 4,017 questionnaires were properly 20 by the respondents.
According to the survey, five percent of the school children indicated that they did not read any 21 reading materials. Of those who read such materials, 25 percent liked to read comics, 20 percent fables and stories, 15 percent books on natural sciences, and 12.3 percent books on technology. The survey 22 indicated that 45 percent of the school children read at least five books every month; 23 45 percent of them read less than three per month.