Threshold 1990
J. A. van Ek, J. L. M. Trim
This series of learning objectives offers all practitioners a description of the language needed to assure a learner's ability to deal with the challenges presented by everyday communication.
年:
1998
出版:
Rev Sub
出版社:
Cambridge University Press
语言:
english
页:
190
ISBN 10:
0521567068
ISBN 13:
9780521567060
文件:
PDF, 4.52 MB
IPFS:
,
english, 1998