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【判断题】
DAO模式的数据库连接类的主要功能是连接数据库、关闭数据库以及常见操作,如执行SQL语句等。通过使用数据库连接类,可以大大简便开发,在需要访问数据库时,只需调用该类的相关方法即可,不必再进行大量地重复编码工作。A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】某建筑物地基需要压实填土8000m3,控制压实后的含水量W1=14%,饱和度Sr=90%;填料重度r=15.5kN/m3,天然含水量W0=10%,相对密度Gs=2.72,此时需要填料的方量最接近下列( )。(2004年岩土工程师专业考试试题)
A.
10650 m3
B.
10850 m3
C.
11050 m3
D.
11250 m3
【简答题】costs have been__by 30% in the past years.
【简答题】Tom was not old, but he did not have much hair. His wife, Grace, had thick, beautiful, black hair. They had one daughter. Her name was Jane, and she was four and a half years old. There was a photo of...
【单选题】Overhead costs have been increasing due to all of the following except :
A.
Increased automation (i.e. more machinery)
B.
More complexity in distribution process
C.
Tracing more costs as direct costs with the help of technology
D.
Product proliferation (employees stealing products)
【简答题】Costs have been ____by 30% in the past years.
【单选题】When the allocated amount of indirect costs are less than the actual amount, indirect costs have been:
A.
overabsorbed
B.
underapplied
C.
underallocated
D.
Both underapplied and underallocated are correct.
【单选题】Overhead costs have been increasing due to all of the following except:
A.
Increased automation
B.
More complexity in distribution process
C.
Tracing more costs as direct costs with the help of technology
D.
Product proliferation
【单选题】Although costs have been steadily since last October, we have not yet our prices.
A.
raising, risen
B.
risen, raising
C.
rising, raised
D.
raised, rising
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