第一部分 选择题 I. Directions: Read each of the following statements carefully. Decide which one of the four choices best completes the statement and put the letter A, B, C or D in the brackets. (2%10=20%) 1、As modern linguistics aims to describe and analyze the language people actually use, and not to lay down rules for correct linguistic behavior, it is said to be _. A、 prescriptive B、 sociolinguistic C、 descriptive D、 psycholinguistic 2、Of all the speech organs, the _ is/ar