切开苹果、梨等水果时会流出一些汁液,这些汁液主要来自( )
A.细胞质
B.细胞核液
C.细胞液
D.线粒体
答案:C
患者,男性,28岁,头颅为高空坠物砸伤昏迷,手术治疗后患者清醒,但患者出现尿量增多,每日达8000~10000ml,尿比重1.002,烦渴,每日饮水量约5000ml
该症的治疗为()
A.胰岛素
B.透析治疗
C.DDAVP肌注
D.限制每日饮水量小于1000ml
E.脱水
Don't ____ a person only because he has failed in an examination. [ ]
A. look up
B. look down
C. look down on
D. look up to