车辆用交流发电机通过二极管整流,使其输出()。
A、交流电
B、直流电
C、可用电
D、低压交流电
参考答案:B
某女,5秽,因饮食欠佳,皮肤黄染,肝脏肿大,从水,来医院就诊,病人盛乏、头疼、失眠、精神痛苦、焦虑等。这是什么现象()
A.积极现象
B.正常心理现象
C.-般现象
D.正常生理现象
E.消极现象
By saying "the conclusions to be drawn are obvious"(Para.4), the writer means that ______.
A.women's inconstancy in their choice of clothing is often laughed at
B.women are better able to put up with discomfort
C.men are also exploited greatly by fashion designers
D.men are more reasonable in the matter of fashion