1·According to the Official Language of Act of Canada, there are two official language in this country: they are ( ).

　　English and Spanish

　　English and Portuguese

　　English and French

　　English and Celtic

　　2. The Australian population is mainly of ( ) descents.

　　A. British

　　B. American

　　C. Japanese

　　D. Chinese

　　3.The distinction between parole and lange was proposed by ( ).

　　A. Halliday

　　B. Chomsky

　　C. Bloomfield

　　D. Saussure

　　4. The study of how sounds are put together and used to convey meaning in communication is ( ).

　　A. morphology

　　B. general linguistics

　　C. phonology

　　D. semantics