《招标投标法》规定,依法必须进行招标的项目,自招标文件开始发出之日起至投标人提交投标文件截至之日止,最短不得少于()日。
A.15
B.20
C.28
D.30
参考答案:B
(100) whether to go with a shared or switched fast LAN technology once you start to max out your shared Ethernet of token-ring LAN is tough call. Users and analysts involved in (101) high-speed LANs have learned the benefits of each. However, there are trade-offs to each, and (102) which fast LAN technology to choose is critical for (103) network performance problems and (104) costly purchasing mistakes.
100()
A.avoiding
B.clipping
C.choosing
D.deciding
E.dissolving
F.ensuring
G.evolving
H.implementing
I.Knowing
J.solving
一边负有责任心的教师在强制学生学习,另一边是丧失选择自由被迫学习的学生反而把教师的行为看成是压抑、侵犯。这种情况反映了师生伦理关系中哪一方面受到了影响()。
A.传统思想和师生个性的特点;
B.师生之间相互的认知度;
C.教师的领导方式和态度;
D.师生交往的时空、性别等因素