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【简答题】
已知矩阵 a). 求解矩阵M的各行和 b). 求解矩阵M的各列和 c). 求解矩阵M的主对角元素和 d). 求解矩阵M的斜对角元素和 e). 对矩阵M各行按元素从大到小排序
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【判断题】As long as the balance of payments is out of balance, fiscal policy or monetary policy can always be adopted for adjustment, which can not only maintain the external balance, but also achieve the inte...
A.
正确
B.
错误
【简答题】已知直线 ：y=2x+1，求： （1）直线关于点M（3，2）对称的直线方程。 （2）直线x-y-2=0关于 对称的直线方程。
【单选题】Which of the following are the goals of macroeconomic policy? 1 Encouraging economic growth 2 Low unemployment 3 Achievement of a balance between exports and imports 4 Achieving zero inflation
A.
1 and 2
B.
2 and 3
C.
2, 3 and 4
D.
1, 2 and 3
【简答题】The decision as to whether or not to use new technologies and intellectual property tools to participate in the information economy is (tied) to the overall cultural and economic goals of the traditio...
【单选题】患者男性,41岁,浅昏迷2日,为患者行留置导管最主要目的是
A.
保持床单位清洁干燥
B.
测量尿比重，了解肾血流灌注情况
C.
收集尿标本，做细菌培养
D.
防止尿潴留
E.
持续引流尿液，促进有毒物质排出
【单选题】患者，男性41岁。浅昏迷2日，为患者行留置导尿最主要的目的是
A.
保持床单位清洁干燥
B.
测量尿量及比重，了解肾血流灌注情况
C.
收集尿标本，作细菌培养
D.
防止尿潴留
E.
持续引流尿液，促进有毒物质排除
【单选题】Which set of goals can, at times, conflict in the short run?
A.
High employment and economic growth
B.
Interest rate stability and financial market stability
C.
High employment and price level stability
D.
Exchange rate stability and financial market stability
E.
All of the above sets of goals can be in conflict
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