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【简答题】
洛必达(LHospital)法则 若f(z)及g(z)在点z0解析，且 f(z0)=g(z0)=0，g(z0)≠0， 则(试证)
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皮皮学刷刷变学霸
举一反三
【单选题】The man was detained by the police at the airport because his passport was found to be ______.
A.
an artificial one
B.
an unnatural one
C.
an untrue one
D.
a false one
【单选题】If there is shortage of loanable funds, then
A.
the supply for loanable funds shifts right and the demand shifts left.
B.
the supply for loanable funds shifts left and the demand shifts right.
C.
neither curve shifts, but the quantity of loanable funds supplied increases and the quantity demanded decreases
D.
neither curve shifts, but the quantity of loanable funds supplied decreases and the quantity demanded increases
【简答题】发动机的活塞行程是指活塞的（）之间的距离。
【单选题】The police _______ searching for a tall dark man with a beard.
A.
is
B.
are
C.
has
D.
have
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