皮皮学，免费搜题
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【单选题】
用直接碘量法测定维生素C样品的含量时,如果溶液呈碱性,对测定结果产生的影响是
A.
偏高
B.
偏低
C.
过高
D.
结果混乱
E.
无影响
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【多选题】在高血压病的筛检方案中，A医师将收缩压、舒张压的水平分别定为140mmHg/90mmHg，而B医师将收缩压、舒张压的水平分别定为130mmHg/85mmHg。这就意味着
A.
前者的灵敏度比后者高
B.
前者的假阳性率比后者高
C.
前者的假阴性率比后者高
D.
前者的阳性预测值比后者高
查看完整题目与答案
【多选题】There are two main types of financial market: capital and money markets, and within each of these are primary and secondary markets. Which TWO of the following statements are true?
A.
Primary markets allow the realisation of investments before their maturity date by selling them to other investors
B.
Primary markets deal in new issues of loanable funds
C.
Capital markets consist of stock-markets for shares and loan bond markets
D.
Money markets provide long-term debt finance and investment
查看完整题目与答案
【单选题】CDs may be exchanged for money before its maturity date either in money markets or at commercial banks.
A.
Right
B.
Wrong
C.
Doesn't say
查看完整题目与答案
【单选题】Which of the following statements about the money markets are true?
A.
Not all commercial banks deal for their customers in the secondary market.
B.
Money markets are used extensively by businesses both to warehouse surplus funds and to raise short-term funds.
C.
The single most influential participant in the U.S. money market is the U.S. Treasury Department.
D.
All of the above are true.
E.
Only A and B of the above are true.
查看完整题目与答案
【多选题】在高血压病的筛检方案中,A医师将收缩压、舒张压的水平分别定为140mmHg/90mmHg,而B医师将将收缩压、舒张压的水平分别定为130mmHg/85mmHg。这就意味着
A.
前者的灵敏度比后者高
B.
前者的特异度比后者高
C.
前者的假阳性率比后者高
D.
前者的假阴性率比后者高
E.
前者的阳性预测值比后者高
查看完整题目与答案
【多选题】{在高血压病的筛检方案中,A医师将收缩压、舒张压的水平分别定义为140mmHg/90mmHg,而B医师讲收缩压、舒张压的水平分别定为130mmHg/85mmHg。这就意味着:( )。}
A.
前者的灵敏度比后者高
B.
前者的特异度比后者高
C.
前者的假阳性率比后者高
D.
前者的假阴性率比后者高
E.
前者的阳性预测值比后者高
查看完整题目与答案
【单选题】发动机镗缸后的汽缸圆度和圆柱度误差应小于( )mm。
A.
5.0E-4
B.
0.005
C.
0.05
D.
0.5
查看完整题目与答案
【多选题】在高血压病的筛检方案中，A医师将收缩压、舒张压的水平分别定为140mmHg/90mmHg，而B医师将收缩压、舒张压的水平分别定为130mmHg/85mmHg。这就意味着（）。
A.
前者的灵敏度比后者高
B.
前者的特异度比后者高
C.
前者的假阳性率比后者高
D.
前者的假阴性率比后者高
E.
前者的阳性预测值比后者高
查看完整题目与答案
【单选题】磷酸盐是一类具有多种功能的物质，在食品加工中具有明显的改善品质的作用。下面哪一项不是其作用机制是()。
A.
提高体系pH值
B.
增加离子强度
C.
乳化油脂
D.
解离肌动球蛋白
查看完整题目与答案
【单选题】There are two main types of financial market: capital and money markets, and within each of these are primary and secondary markets. Which of the following statements is false?
A.
Primary markets allow the realisation of investments before their maturity date by selling them to other investors
B.
Primary markets deal in new issues of loanable funds
C.
Capital markets consist of stock‐markets for shares and loan bond markets
D.
Money markets provide short‐term debt finance and investment
查看完整题目与答案
相关题目：
【多选题】在高血压病的筛检方案中，A医师将收缩压、舒张压的水平分别定为140mmHg/90mmHg，而B医师将收缩压、舒张压的水平分别定为130mmHg/85mmHg。这就意味着
A.
前者的灵敏度比后者高
B.
前者的假阳性率比后者高
C.
前者的假阴性率比后者高
D.
前者的阳性预测值比后者高
查看完整题目与答案
【多选题】There are two main types of financial market: capital and money markets, and within each of these are primary and secondary markets. Which TWO of the following statements are true?
A.
Primary markets allow the realisation of investments before their maturity date by selling them to other investors
B.
Primary markets deal in new issues of loanable funds
C.
Capital markets consist of stock-markets for shares and loan bond markets
D.
Money markets provide long-term debt finance and investment
查看完整题目与答案
【单选题】CDs may be exchanged for money before its maturity date either in money markets or at commercial banks.
A.
Right
B.
Wrong
C.
Doesn't say
查看完整题目与答案
【单选题】Which of the following statements about the money markets are true?
A.
Not all commercial banks deal for their customers in the secondary market.
B.
Money markets are used extensively by businesses both to warehouse surplus funds and to raise short-term funds.
C.
The single most influential participant in the U.S. money market is the U.S. Treasury Department.
D.
All of the above are true.
E.
Only A and B of the above are true.
查看完整题目与答案
【多选题】在高血压病的筛检方案中,A医师将收缩压、舒张压的水平分别定为140mmHg/90mmHg,而B医师将将收缩压、舒张压的水平分别定为130mmHg/85mmHg。这就意味着
A.
前者的灵敏度比后者高
B.
前者的特异度比后者高
C.
前者的假阳性率比后者高
D.
前者的假阴性率比后者高
E.
前者的阳性预测值比后者高
查看完整题目与答案
【多选题】{在高血压病的筛检方案中,A医师将收缩压、舒张压的水平分别定义为140mmHg/90mmHg,而B医师讲收缩压、舒张压的水平分别定为130mmHg/85mmHg。这就意味着:( )。}
A.
前者的灵敏度比后者高
B.
前者的特异度比后者高
C.
前者的假阳性率比后者高
D.
前者的假阴性率比后者高
E.
前者的阳性预测值比后者高
查看完整题目与答案
【单选题】发动机镗缸后的汽缸圆度和圆柱度误差应小于( )mm。
A.
5.0E-4
B.
0.005
C.
0.05
D.
0.5
查看完整题目与答案
【多选题】在高血压病的筛检方案中，A医师将收缩压、舒张压的水平分别定为140mmHg/90mmHg，而B医师将收缩压、舒张压的水平分别定为130mmHg/85mmHg。这就意味着（）。
A.
前者的灵敏度比后者高
B.
前者的特异度比后者高
C.
前者的假阳性率比后者高
D.
前者的假阴性率比后者高
E.
前者的阳性预测值比后者高
查看完整题目与答案
【单选题】磷酸盐是一类具有多种功能的物质，在食品加工中具有明显的改善品质的作用。下面哪一项不是其作用机制是()。
A.
提高体系pH值
B.
增加离子强度
C.
乳化油脂
D.
解离肌动球蛋白
查看完整题目与答案
【单选题】There are two main types of financial market: capital and money markets, and within each of these are primary and secondary markets. Which of the following statements is false?
A.
Primary markets allow the realisation of investments before their maturity date by selling them to other investors
B.
Primary markets deal in new issues of loanable funds
C.
Capital markets consist of stock‐markets for shares and loan bond markets
D.
Money markets provide short‐term debt finance and investment
查看完整题目与答案