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【简答题】
棱锥体被平行于底面的平面截去其上部,所剩的部分叫做 ,其三视图的特征是:一个视图的内、外轮廓为两个相似的正多边形,其他两个视图的外形轮廓均为 形线框。
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【单选题】________ we make the United States, the fewer international visitors we will attract.
A.
Expensive
B.
More expensive
C.
The most expensive
D.
The more expensive
【单选题】How does Alex feel about this course first?
A.
He feels a little nervous.
B.
He’s excited.
C.
He’s confused.
D.
He feels relieved.
【简答题】Alex feels a little_____________(头晕)after having been seated so long.
【单选题】We see that the Netherlands, Belgium, and Ireland trade considerably more with the United States than with many other countries.
A.
This is explained by the gravity model, since these are all large countries.
B.
This is explained by the gravity model, since these are all small countries.
C.
This fails to be consistent with the gravity model, since these are small countries.
D.
This fails to be consistent with the gravity model, since these are large countries.
E.
This is explained by the gravity model, since they do not share borders.
【单选题】We see that the Netherlands, Belgium, and Ireland trade considerably more with the United States than with many other countries.
A.
This is explained by the gravity model, since these are all large countries.
B.
This fails to be consistent with the gravity model, since these are small countries.
C.
This fails to be consistent with the gravity model, since these are large countries.
D.
This is explained by the gravity model, since they do not share borders.
【单选题】The preamble of the Federal Constitution says: " "We, the ______ of the United States, in order to form a more perfect union..."
A.
citizens
B.
men
C.
people
D.
persons
【简答题】按照国家标准GB11021-“电气绝缘的耐热性评定和分级”将各种电工绝缘材料耐热程度划分等级,以确定各级绝缘材料的最高持续工作温度。其中A级绝缘材料的最高持续温度是______,F级绝缘材料的最高持续温度是______。
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