The IndoEuropean language family is made up of the languages of the following EXCEPT（）．
In the Eastern set, （）and（）are each the only modern language respectively.
The Indo-European language family is made up of most of the languages of Europe, the Near East, and（ ）
It is assumed that the world has approximately 3000 (some put it 5000) languages, which can be grouped into roughly（）language families on the basis of similarities in their basic word stock and grammar.
Indo-Iranian comprises the modern language except（）.
The world has about 3000 languages, which can be grouped into roughly 300 language families on the basis of similarities in their basic word stock and（）.
In the Western set,（） is the modern language derived from Hellenic.
The（）is made up of most of the languages of Europe, the Near East, and India.
The surviving languages accordingly fall into eight principal groups, which can be grouped into the（ ）set and the Western set.
The Indo-European language is made up of most of the languages of Europe,（）, and India.
Complete the following statements with proper words or expressions according to the course book.
The languages made only a small contribution to the English vocabulary with a few place names like Avon, Kent, Themes.
Rapid growth of science and technology breeds such new words as the following EXCEPT（ ）
Which of the following is NOT one of the main sources of new words in the present-day English vocabulary? （）
New words like Mao jacket, kungfu, black belt come into present-day English vocabulary due to（ ）
Which of the following is NOT the main source of new words? （ ）
New words or expressions like green revolution, space shuttle, moon walk come into present-day English vocabulary due to（ ）.
Which of the following is NOT one of the main sources of new words?（ ）
Social, economic and political changes bring about an increasing number of new words. Which of the following words is related to political changes?( )
New words or expressions like "astrobiology", "earthrise", "open-heart surgery" come into present-day English vocabulary due to（）.
languages made only a small contribution to the English vocabulary with a few place names like Avon, Kent, Themes.