微机保护装置与监控系统间,为了减少联络电缆、简化配线、降低成本,通常采用()。
A.载波通信
B.微波通信
C.串行通信
D.并行通信
参考答案:C
急性感染性会厌炎最主要的致病菌是()。
A.流感杆菌
B.流感病毒
C.葡萄球菌
D.链球菌
E.呼吸道合胞病毒
Questions 26~30
Extract 1
Extract 2
Extract 3
According to the second paragraph of Extract 1, editorial writers are likely to ______.
A. explain the circumstances in which they could change their opinionB. claim to have opinions that they do not really holdC. take other people’s opinions into accountD. summarize other writers’ opinions on the same topic