【判断题】开关柜综合测控装置的开关状态有常开和常闭两种。( )
【单选题】某电子双倍的电路板上有一个4位的跳板开关,此开关每一位都只有打开和闭合两种状态,这个跳板总开关最多可以表示的状态数是()
【判断题】Reference to the author of the original text in the paraphrase should be presented explicitly.
【简答题】A.It should be assimilated thoroughly. B.It should be paraphrased by the author. C.It should be enclosed in quotation marks. D.It should be authorized by the source.
【单选题】Why does the author say Google should be hurt the least?
A.
Because Google shows the strongest profit-making trend.
B.
Because Google does search advertising business.
C.
Because search advertising is the only medium outrunning traditional ones.
D.
Because search advertising will attract more investment.
【多选题】下列对出口信贷国家担保制的表述中,正确的有