Which of the following is NOT true?

A.A word is the smallest free form of a language.

B.A word is a sound unity.

C.A word， has a given meaning.

D.A word can be used freely in a sentence.

By notion, words can be grouped into content words and functional words. Which of the following words belongs to functional words?

A.Five

B.Sun

C.Run

D. And

Which of the following words is a neologism?

A.Dip.

B.Thou.

C.Internet.

D.Bottom line.

At the end 6th century, Latin-speaking Roman missionaries under St. Augustine came tospread_____in Britain, the introduction of which had a great impact on the English vocabulary.

A. Buddhism

B.Christianity

C. Caiholicism

D. Islamism

Social, economic and political changes bring about an increasing number of new words. Which of the following words is related to political changes?

A. Moon walk.

B.Watergate.

C.Mao jackets.  

D. Talk show.