The Vision of the Sightless (pp.16-23)

Which of the following is NOT true about "night-writing" system?

• It consisted of 12 dots embossed on paper.

• The dots were arranged to represent different letters.

• The French army never used the system.

• It was designed to help soldiers communicate at night in silence.

Louis found that the system was too (a)   .

Which two are the disadvantages of "night-writing" system according to the text?

• Basing the system on sounds rather than letters was too difficult.

• French soldiers were not good at touching.

• 12 dots were too many.

• French soldiers could not emboss the dots at night.

Instead of using 12 dots, Louis used only (a)   dots and arranged them in separate cells.

Who may opposed Louis's new simplified system? (You may choose more one answer.)

• book publishers

• sighted teachers for the blind

• blind teachers

• Louis's classmates

How did Louis promote his new system?

• He convinced his school to formally teach it in lessons.

• He sold the system to publishers.

• He taught it to his students.

• He published a book.

(a)   was Louis's last name.