Explain the sentence "But in the rich world newspapers are now an endangered species" (Para. 2), and introduce briefly what caused newspapers to be so.

A． Both pan-Arabic and Esperanto are spoken on the radio and television in the Arab world.
B． Esperanto is now widely used by educated people in the world.
C． Both pan-Arabic and Esperanto are taught in school.
D． Pan-Arabic provides a means of communication between educated people of different Arabic nationalities.

A． A beginner doesn’t need any equipment but a wet suit.
B． Wearing a helmet can protect your head from getting hurt when you fall out of the canoe.
C． Canoes above 500 pounds are strongly recommended and they are a must for beginners.
D． The prices of canoes vary according to the brands and the different grades.