单项选择题

Curiosity is not only a possible motivation, it is also a great help in your learning languages. Remember that a language is not 1 a grammatical system. It is the 2 of a certain culture or different cultures. It is no good 3 strings of words and lists of grammatical rules 4 you know as much as possible about the background of the language, so that you can understand the ideas conveyed and the references made, as well as the inferences which can 5 the information clearly given. So learn as much as you can about the different cultures which 6 English—watch television programs, listen to the radio, try to obtain 7 and magazines written by native speakers, look at advertisements, and, above all, read—not textbooks, 8 novels, poems and plays. They will show you how a language is 9 used. The English language is not an abstract system; it is a living form of expression which derives much of its 10 from the context, and much of its effect from a whole network of extra-linguistic knowledge.

A.be carried over
B.be freed from
C.be held up
D.be drawn from