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【简答题】
调速器的永态转差系数b p 的物理意义是指（）的转速与（）的转速之差与额定转速之比。
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举一反三
【单选题】Despite their good service, most inns are less costly than hotels of _____ standards.
A.
equivalent
B.
uniform
C.
alike
D.
likely
【简答题】已知数列{a n }是首项为1的等差数列，且公差不为零，而等比数列{b n }的前三项分别是a 1 ，a 2 ，a 6 ． （I）求数列{a n }的通项公式a n ； （II）若b 1 +b 2 +…b k =85，求k的值．
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【单选题】Most of the big hotels in Shanghai were full last week, but finally we _____ find a room in a small one. [ ]
A.
ought to
B.
could
C.
were able to
D.
might
【单选题】Winter is the______season at most hotels in this seaside town, because very few tourists come to stay.
A.
slow
B.
slack
C.
low
D.
quiet
【单选题】Most of the big hotels in Shanghai were full last week, But finally we ______find a room in a small one.
A.
ought to
B.
could
C.
were able to
D.
might
【单选题】Which of the following types of hotels would likely appeal most to pleasure/leisure travelers?
A.
airport hotels
B.
resort hotels
C.
residential hotels
D.
convention hotels
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