关于溴酸钾法测定吡啶类杂环药物，以下叙述不正确的是
A. 在盐酸酸性下进行
B. 属于氧化还原滴定法
C. 常用氧化还原指示剂指示终点
D. 可以用于原料，片剂及注射液等的含量测定
E. 反应过程中有氮气产生
查看答案
木模板安装的检查项目：轴线位移、标高、截面尺寸、每层垂直度、( )、表面平整度。
A. 相邻两板表面平直
B. 木模板间距
C. 截面受剪面
D. 相邻两板表面高低差
下列程序段的执行结果是______。 int i=0； while(i++＜=2) printf("%d\t",i)；
A. 1 2 3
B. 1 2
C. 1
D. 无结果
Which of the following statements is NOT true according to the author
A. Doctors are often in a dilemma as to tell the patient his real condition of health.
B. Doctors' reluctance to tell patient truth has no real support in reality.
C. Doctors' lies are different from that of lawyers and government officials.
Doctors and patients hold different views about telling trut
It can be inferred from the passage that progressives believed that ______.
A. the rate of industrial development should be reduced
B. rapid growth of cities resulted mainly from the massive immigration
C. human beings are able to do anything well
D. government tended to protect the businesses rather than the masses
微信支付 
支付宝支付