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【简答题】
ADO.NET相对于ADO等主要有什么改进?
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皮皮学刷刷变学霸
举一反三
【单选题】Suppose a basket of goods and services has been selected to calculate the CPI and 2002 has been selected as the base year. In 2002, the basket’s cost was $50; in 2004, the basket’s cost was $52; and ...
A.
91.6.
B.
104.6.
C.
109.2.
D.
114.5.
【简答题】以下程序功能:输入一个学生两门课程的成绩,若平均成绩不低于 90 ,则显示“优等生”,否则显示“加油!”。
【单选题】Suppose a basket of goods and services has been selected to calculate the CPI and 2012 has been selected as the base year. In 2012, the basket’s cost was $50; in 2014, the basket’s cost was $52; and i...
A.
90.9
B.
104.0
C.
105.0
D.
110.0
【单选题】By far the largest category of goods and services in the CPI basket is
A.
housing.
B.
transportation.
C.
education & communication.
D.
food & beverages.
【单选题】What basket of goods and services is used to construct the CPI?
A.
a random sample of all goods and services produced in the economy
B.
the goods and services that are typically bought by consumers as determined by government surveys
C.
only food, clothing, transportation, entertainment, and education
D.
the least expensive and the most expensive goods and services in each major category of consumer expenditures
【简答题】以下程序功能: 输入一个学生两门课程的成绩,若平均成绩小于 0 ,则显示“数据错误!”;否则,若平均成绩不低于 90 ,则显示“优等生”,低于 90 则显示“加油!” 。
【单选题】If the CPI basket costs $35 in the base period but costs $42, what is the CPI in the next period?
A.
83.30
B.
42.00
C.
20 percent
D.
120.00
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