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【单选题】
健美操作为一项独立的体育项目传于我国的时间是( )A.
60年代末，70年代初
B.
70年代末，80年代初
C.
80年代末，90年代初
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举一反三
【简答题】Ifyou had wanted to buy a record, what ?A. wouldyou buyB. hadyou boughtC. wouldyou have boughtD. ouldyou be buying
【单选题】She ________ a model before she _______ a superstar.
A.
have been, became
B.
had been, become
C.
had been, became
D.
has been, become
【单选题】_______, everything would have been all right.
A.
He had been there
B.
There he had been
C.
Been there he had
D.
Had he been there
【单选题】Xiao Pei said she ______ Hainan for 3 months.
A.
has been in
B.
had been in
C.
had been to
D.
had gone to
【单选题】Ifyou had been willing to pay $2.19for the gallon of milk purchased at thesupermarket but were required to payonly $1.89, you have gained
A.
a refund of $.30 from the clerk
B.
a consumer surplus amounting to$.30.
C.
excess marginal benefit of $2.19.
D.
producer surplus of $.30.
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