【单选题】网络操作系统用于对连接在同一物理网络中的多台计算机及其设备之间的通讯进行有效的监护和管理(单选)
【单选题】Questions 5 to 7 are based on the news report you have just heard. Q5
A.
International treaties regarding space travel programs.
B.
Legal issues involved in commercial space exploration.
C.
U.S. government's approval of private space missions.
D.
Competition among public and private space companies.
【简答题】Listening Comprehension ( 25 minutes ) Both the listening materials and the questions will be spoken only once. Section A: several news reports (Q1-2; Q3-4; Q5-7) Section B: several conversations (Q8-...
【单选题】关于字体格式和段落格式设置的说法中,正确的是( )。