【多选题】中外文电子图书数据库有哪些?( )
C.
OCLC Net Library 电子图书,SpringerLink
D.
John Wiley,Ebrary外文电子图数据库
【简答题】Conversation 2 Question 18A. He is a
regular customer. B. He is one
of her friends. C. He is the
manager of the store. D. He is a
new customer of the store.
【单选题】有以下程序 main() {int k=5 while(-k) printf('%d',k-=3) printf('/n') } 执行后的输出结果是______。
【单选题】Section C Conversation 2 18.
【多选题】图书馆已购买的外文数据库有哪些?(图书馆主页-资源-外文数据库)
A.
Science Citation Index Expanded(SCIE)
C.
Engineering Village(EI Compendex)
D.
Greenwood Digital Collection
【简答题】Conversation 2A. 18. A . on Friday B. 18. B. on Thursday C. 18. C. on Wednesday D. 18.D. on Monday
【单选题】三相全控桥式整流电路需要 ( ) 路触发信号。