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