52.This ext more from .
A. a put book B. a library guide
C. a handbook D. newspaper report
[答案]BA AD
51.Which of the following is true of the LoB when it opens?
|
a. It offers better
learning tools b. It reaches users in different ways c. It provides users with smart phone d. It allows users to enrich its material e. It gives non-stop physical and digital services |
A. a, b, d B. a, c ,e C. b, c, d D. b, d, e