Multiple Choices: (20%) Directions: In this section, you are given 20 questions, beneath each of which are four choices marked A, B,C and D. You are to make the best choice either to complete the incomplete statement or to answer the question. One point is given to each correct choice. 1. According to the records available, human beings have been involved in the study of language for ___________ years
A.1,000 B.1,500 C.2,000 D.2,500正确答案D
