A、
Studying and protecting endangered languages.
B、
Obtaining information contained within a language.
C、
Tracking the last speakers of each dying language.
D、
Seeking international help for smaller ethnic groups.
【正确答案】
A
【答案解析】
A、
Because these languages are used only in remote areas.
B、
Because the official language of a country rarely changes.
C、
Because these ethnic groups are not powerful.
D、
Because the local languages are hard to learn.
【正确答案】
C
【答案解析】
A、
Reaching only nineteen percent of the world's population.
B、
Neglecting a great majority of the world's languages.
C、
Having too little influence on cultural exchange.
D、
Containing too much worthless information.
【正确答案】
B
【答案解析】
A、
The value of knowing human history.
B、
The importance of sharing information.
C、
How to bring back threatened languages.
D、
Why endangered languages must be protected.
【正确答案】
D
【答案解析】
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