承上述题目，如果运用比率估计抽样得出的总成本是5724000元。()
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A．He thinks Adidas would cost him quite a lot of money.B．He thinks Joyce will be runni
A. He thinks Adidas would cost him quite a lot of money.
B. He thinks Joyce will be running frequently.
C. He doesn't think the shoes will help Joyce to play better.
D. He doesn't think Joyce will play sports for long.
Which of the following would be an appropriate title for the passage？
A. The Life and Times of Sir Christopher Wren
B. The Rebuilding of London'
C. The Holocaust (大规模的毁灭) of Fish Street Hill"
D. The London That Might Have Been
To whom or what does the pronoun" they" in underline , Para. 5 refer？
A. The original building sites.
B. The townspeople.
C. The burned-down houses and shops.
D. The landlords.
A．By buses.B．By private cars.C．By rail.D．By air.
A. By buses.
By private cars.
C. By rail.
D. By air.
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