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高大空间场所的照明，宜选用气体放电灯等高效长寿命光源。()

A. 正确
B. 错误

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当检测时回弹仪为非水平方向且测试面为非浇筑侧面时，应先进行浇筑面修正，再进行角度修正。()

A. 正确
B. 错误

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减价拍卖在业务中又称作密封递价拍卖。()

A. 正确
B. 错误

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A key advantage of checks over currency as a means of payment is that______.

A. they have greater liquidity
B. they involve lower transaction costs
C. they are more difficult to trace
D. they can be printed by the private sector

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Suppose that a bank has $4 000 in checkable deposits and the required reserve ratio is 0.If actual reserves equal $3 000, men excess reserve equals______.

A. $4 000
B. $3 000
C. $2 000
D. 1000

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高大空间场所的照明，宜选用气体放电灯等高效长寿命光源。()

A. 正确 B. 错误

当检测时回弹仪为非水平方向且测试面为非浇筑侧面时，应先进行浇筑面修正，再进行角度修正。()

减价拍卖在业务中又称作密封递价拍卖。()

A key advantage of checks over currency as a means of payment is that______.

Suppose that a bank has $4 000 in checkable deposits and the required reserve ratio is 0.If actual reserves equal $3 000, men excess reserve equals______.

A. 正确
B. 错误