逆变设备通电测试应检验（）.
A.输入直流电压
B.输出交流电压
C.谐波含量
D.频率精度
E.稳压精度
参考答案：A, B, C, D, E
根据句意和音标提示以适当形式填写单词。
小题1:Excuse me, what's the ________/prais/ of this alarm clock?
小题2:My brother always__________// his teeth after meals.
小题3:He knows a lot about __________//culture.
小题4:Do you know what you said has great__________//on me?
小题5:I wish to __________//a wonderful cartoon character for the children.
小题6:Many art __________//will be on display in this exhibition.
VSO表示：（）.
A.全收构形下失速速度
B.起飞构形下失速速度
C.着陆构形下失速速度
D.复飞构形下失速速度
as great__________//on me?