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【多选题】
关于电动铺砂法,以下说法正确的是( )。A.
要求足够数量的干燥洁净的砂，粒径为0.15-0.3mm。
B.
量砂只能一次性使用，不得重复使用。
C.
标定每次测试前进行，用同一种量砂，由同一测试人员进行。
D.
每一处均取3次路面构造深度的测试结果的平均值作为测试结果，准确至0.1mm。
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反馈参考答案：
举一反三
【单选题】Suppose that you own a house. What is the opportunity cost of living in the house?
A.
There is no opportunity cost because you own the house.
B.
There is no opportunity cost unless you could set up a business in the house.
C.
The opportunity cost is the rent you could have received from a tenant if you didn't live there.
D.
The opportunity cost is the cost of your monthly mortgage payment plus bills.
【单选题】Consider the following statements about the budgeting process (1) The top-down approach which is set without permitting the ultimate budget holders to have the opportunity to participate in the budget...
A.
2 only
B.
1 and 2
C.
2and 3
D.
1only
【单选题】In the banking industry, bank managers rarely ____ the opportunity to set-up fly-by-night schemes.
A.
deny
B.
miss
C.
set
D.
develop
【简答题】( )将金属物放在蓄电池壳体上。A. 4
【简答题】Forum is the perfect opportunity. It is set in an informal atmosphere ____
【判断题】The opportunity set of portfolios isall possible risk-return combinations of those securities.
A.
正确
B.
错误
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