下列对配制海藻酸钠溶液的叙述不正确的是[ ] A．加热使海藻酸钠溶化是操作中最重

It is hoped that the education reform in English Exam to the College_____ in Hunna Province next year will bring the ____ result to students.

A．carried out, desiring

B．carrying out, desired

C．to be carried out, desiring

D．being carried out, desiring

This is the second factory, ______ I used to work, many workers of______ still have a good relationship with me.

A．where, which

B．that, whom

C．which, which

D．that, which

对于R×C行列表资料的X2检验，其自由度的计算公式为（）

A.R-1

B.C-1

C.R+C-1

D.R×C-1

E.R-1）（C-1）

外科患者最易发生哪种体液代谢失调

A．等渗性缺水
B．低渗性缺水
C．高渗性缺水
D．急性水中毒
E．慢性水中毒

患者男性，32岁，IgA肾病病史7年，近半年来出现乏力、尿量减少、双下肢水肿，血红蛋白11．0g／L，血压145／95mmHg，下列检查中最先出现异常的是（）

A.血尿素氮升高

B.血肌酐升高

C.尿浓缩试验异常

D.内生肌酐清除率降低

E.血尿酸升高