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【简答题】
Listen to the dialogue and fill in the blanks. (Mr. Lin is talking to the Manager of the Exhibition Center at the end of the exhibition.) L: Are there any handcarts, sir? The _______________ are heavy. M: Here is a handcart, sir. Let me help you. L: Thank you. Without your help, I could hardly have met so many ______ in this exhibition. M: ________________ . L: I like this _____ very much, and I plan to take part in the exhibition next year, too. M: We will _______ you of next year’s exhibition _______ and ________ this booth for you. L: That’s very kind of you.
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【简答题】变量(variable)指的是可以在数量上或质量上的 事物的属性,变量的两个基本特点是 和 。
【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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