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【判断题】
统计总体和总体单位随着统计研究的目的不同同时相互转化的。A.
正确
B.
错误
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举一反三
【简答题】A book of drawings by Leonardo da Vinci __________(sell) for over $30 million in 1994.
【单选题】Typical drawings in machine manufacturing are classified as assembly drawings and __________.
A.
part drawings
B.
basic view
C.
axonometric drawing
D.
sketch
【简答题】按化学组成脂质大体分为______、______和______三大类。
【单选题】According to the passage, what is noteworthy about Crumb's drawings?
A.
His drawings are less expensive than other comic books.
B.
He put his own experience into the drawings.
C.
His drawings could attract the viewers' attention.
D.
His drawings are in black and white.
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