【多选题】下列正确的说法是( )
B.
用酒精擦浴使高热患者降体温,其机制属皮肤蒸发散热
D.
服用退热药片,是降低调定点温度,增加散热,减少产热
【判断题】所有放大电路都必须加反馈,否则无法正常工作。
【单选题】在近代中国的社会矛盾中,占支配地位的主要矛盾,是帝国主义和中华民族的矛盾,封建主义和人民大众的矛盾。这两对矛盾之间的关系:
A.
相互交织,帝国主义和中华民族的矛盾是主要矛盾
B.
相互交织,封建主义和人民大众之间的矛盾是主要矛盾
D.
相互平行,帝国主义和中华民族之间的矛盾是主要矛盾
【简答题】In China, when a person sits at a dinner party, he will very often refuse the offer of food or drink though he is 20 still hungry or thirsty. This 21 be good manners to Chinese people, but it is defi...
【简答题】It's not much, but it's home. Francis Chan, an engineer, lives in Hampstead, north London, in a flat that's just 4ft wide by 21ft long. He loves it. Tiny though it is, it has got all the comforts. Pet...