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【简答题】
请写出直线趋势方程式和用最小平方法求解方程参数a、b的联立方程组，以及用最小平方法研究长期趋势的基本原理。
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反馈参考答案：
举一反三
【单选题】What does Mr Pitt say he would like to be?
A.
An export salesman working overseas.
B.
An accountant working in the company.
C.
A production manager in a branch.
D.
A policy maker in the company.
【单选题】___________in the regulations that one should not tell other people the password of your email account. [ ]
A.
What is recommended
B.
What recommend
C.
It is recommended
D.
It recommend
【单选题】Integrated circuit, color TV, mobile phones, and automatic data processing equipment accounted for ______ of the hi-tech exports.
A.
26.8 percent
B.
12 percent
C.
27.3 percentage
D.
58.5 percent
【单选题】The Daily Star sent a journalist to Iran to ______ on the election in that country.
A.
account
B.
inform
C.
report
D.
cover
【单选题】______ bad weather my ETA is amended to read 1800．
A.
Because
B.
Owing to
C.
From
D.
For the account of
【简答题】Time Deposit Certificate Bank of China No.:______ Fixed Deposit Receipt Date: ______ Account No.:______ In Figures ______ Not Transferable Received From_______ The Sum of______ As deposit for a period...
【单选题】It is very difficult for the time being to ________ how much money is needed.
A.
account
B.
assume
C.
ranges
D.
estimat
【单选题】Normally, banks will set different credit limits on different customers' credit card accounts.
A.
Right
B.
Wrong
C.
Doesn't say
【单选题】听力原文：W: Will my deposit earn any interest? M: Certainly. Interest rate on savings accounts at the moment is 3%. If you opened a current account money, you wouldn't earn any interest. Q: What would the...
A.
3%.
B.
5%.
C.
11%.
D.
None.
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