皮皮学,免费搜题
登录
搜题
【单选题】
全站仪代替水准仪进行高程测量中,下列选项中说法错误的是( )。
A.
全站仪的设站次数为偶数,否则不能把转点棱镜高抵消
B.
起始点和终点的棱镜高应该保持一致
C.
转点上的棱镜高在仪器搬站时,可以变换高度
D.
仪器在一个测站的的观测过程中保持不变
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
.
..
皮皮学刷刷变学霸
举一反三
【单选题】在高血压检出方案中,血压筛选水平甲假定在高压160mmHg,乙定在高压140mmHg,这意味着()。
A.
甲试验的灵敏度比乙试验高
B.
甲试验的特异度比乙试验高
C.
甲试验的假阳性数比乙试验多
D.
甲试验的阳性预测值比乙试验低
E.
甲试验的假阴性数比乙试验少
【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
【简答题】SDH的信号传输过程中,利用()、()、()和()4类开销完成了层层细化的监控功能。
【单选题】在高血压的检出方案中,血压筛选水平甲定在高压160mmHg,乙定在高压140mmHg,这意味着()
A.
甲试验的灵敏度比乙试验高
B.
甲试验的特异度比乙试验高
C.
甲试验的假阳性数比乙试验多
D.
甲试验的阳性预测值比乙试验低
E.
甲试验的假阴性数比乙试验少
【单选题】Which of the following are true statements about participants in the money markets?
A.
Large banks participate in the money markets by selling large negotiable CDs.
B.
The U.S. government and corporations borrow in the money markets because cash inflows and outflows are rarely synchronized.
C.
The Federal Reserve is the single most influential participant in the U.S. money market.
D.
All of the above are true.
E.
Only (a) and (b) of the above are true.
【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
【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
【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
【单选题】Which of the following are true statements about participants in the money markets?
A.
Large banks participate in the money markets by selling large negotiable CDs.
B.
The U.S. government and corporations borrow in the money markets because cash inflows and outflows are rarely synchronized.
C.
The Federal Reserve is the single most influential participant in the U.S. money market.
D.
All of the above are true.
【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
相关题目: