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【多选题】
变更合同价款采用的方法有( )。A.
合同中已有适用于变更工程的价格，按合同已有的价格计算变更合同价款
B.
合同中只有类似于变更工程的价格，可以参照类似价格变更合同价款
C.
合同中只有类似于变更工程的价格， 由工程师确定
D.
合同中没有适用或类似于变更工程的价格， 由承包人或发包人提出适当的变更价格，经双方确认后执行
E.
合同中没有适用或类似于变更工程的价格，必须由工程师确定
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举一反三
【单选题】Which of the following is a disadvantage of using secondary data?
A.
Gathering secondary data is costly.
B.
Collecting secondary data is time consuming.
C.
Few sources exist for secondary data.
D.
It is not accurate enough.
【单选题】Decide whether the following is primary data or secondary data. Data from a government publication on the toy industry used by a new toy shop to determine which items to stock.
A.
Primary data
B.
Secondary data
【单选题】血糖正常值为(以mg/d1或mmol/L计) ( )
A.
70~110或3.89~6.11
B.
80~140或4.52~7.78
C.
60~70或3.33~3.89
D.
130~140或7.22~7.78
E.
99~112或5.52~6.23
【单选题】Decide whether the following is primary data or secondary data. Results of an election opinion poll published in a newspaper
A.
Primary data
B.
Secondary data
【单选题】Secondary data is:
A.
Data that does not provide any information
B.
Data collected for another purpose
C.
Data collected specifically for the purpose of the survey being undertaken
D.
Data collected by post or telephone, not by personal interview
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