Ⅰ.阅读P49课文内容，从三个选项中选择最佳答案
1．According to the passage，which of the following is true?
A．There will be no dialects by 2100.
B．The rate of endangered birds is slower than that of mammals.
C．2,500 people can speak half of all languages.
2．A healthy language________.
A．only needs enough speakers
B．should take in new speakers
C．will die without old speakers
3．What does “I'm the last person that can speak our language” imply?
A．She is the only person who uses the language.
B．She is also proud except being afraid.
C．The language is becoming extinct.
【答案】 1.B 2.B 3.C
