低压断路器中的电磁脱扣器承担()保护作用。
A、过流
B、过载
C、失电压
D、欠电压
参考答案:D
患者,女,33岁,妊娠合并心脏病,妊娠期间,心悸怔忡,面色少华,头晕目眩,失眠多梦。舌质淡,脉细滑弱。治疗应首选的方剂是( )
A.白术散
B.归脾汤
C.八珍汤
D.金匮肾气丸
E.参苓白术散
听句子,缩写原文。()
A.The program on Channel Eight reminds me of TV commercials.
B.The product advertised in the TV commercial cannot help cure my illness.
C.I don’t watch TV that much, because of the omnipresent advertisements.
D.I have to sit on the sofa, because I am too sick to stand in front of the television.