【单选题】己知 :int a=l,b=2,c;,则执行语句c=a
【判断题】The Importance of Being Earnest was considered the highest achievement of Wilde as a playwright.
【单选题】若要求振荡器的振荡频率为20MHz,且频率稳定度高达10-8,应采用 。
【单选题】若要求振荡器的振荡频率为20MHz,且频率稳定度高达10 -5 ,应采用( )。
【多选题】Which of the following characters are included in The Importance of Being Earnest ?