发电机损耗大致可分为()。
A.铁损;
B.铜损;
C.激磁损耗;
D.机械损耗;
E.附加损耗。
参考答案:A, B, C, D
阅读下面短文,根据短文内容判断句子的正误。正确的涂“A”错误的涂“B”。 (共 5 小题, 每小题 2 分;计 10 分)
小题1:These suggestions are for kids only.
小题2:Take off your shoes in public places.
小题3:Cutting in line and littering are not allowed.
小题4:It’s impolite to talk loudly on mobile phones.
小题5:We are supposed to eat quietly and talk politely.
男,68岁,因左胸部外伤摄片,结合图像,最可能的诊断是()
A.镜面右位心
B.纵隔疝
C.右侧胸腔积液
D.右肺占位
E.右侧肺不张