【简答题】简析韩少功《爸爸爸》的人物塑造与文体特色。
【单选题】What's being talked about?
【多选题】以下属于政府会计信息质量特征的有( ) 。
【简答题】电流所做的功就叫(),电流在一段电路上所作的功,与电路两端的(),流过的()以及()成正比。
【单选题】Franz laughed at what his wife said because ______.
A.
she couldn't easily tell the workman from her husband
B.
she could easily tell the workman from his brother
C.
she said the workman might be his brother
D.
she said his brother had been killed in a battle
【单选题】对于交流调功电路说法错误的是?
A.
交流调功电路和交流调压电路的电路形式完全相同,只是控制方式不同。
B.
交流调功电路通过改变接通周波数与断开周波数的比值来调节负载所消耗的平均功率。
C.
交流调功电路,若控制周期固定,接通周波数越大,平均功率越小。
D.
交流调功电路在交流电源接通期间,负载电压电流都是正弦波,不对电网电压电流造成通常意义的谐波污染。
【单选题】在 Powerpoint2010中,下列说法中错误的是
A.
可以在幻灯片浏览视图中更改某张幻灯片上动画对象的出现顺序