提出病因假设的目的是为了()。
A.验证病因
B.代替病因
C.确定防制措施
D.评价防制措施效果
E.以上均不是
参考答案:A
We will show how the International Olympics have commercialized internationally, and are financed from corporate and private sponsorships and how this funding scenario can be used to fund new projects.
A.within
B.into
C.through
D.than
承载信息量的基本信号单位是( )。
A.码元
B.比特
C.数据传输速率
D.误码率