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【判断题】
后悬指通过两后轮中心轴线到车辆固定装置最后端的水平距离A.
正确
B.
错误
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反馈参考答案：
举一反三
【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】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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