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【单选题】
技术经济指标变动对产品成本的影响主要表现为对( )的影响。A.
产品总成本
B.
产品产量
C.
产品单位成本
D.
产品总成本和产品产量
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【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】Human' s Hands Archaeological records--paintings, drawings, and drawings of humans engaged in activities involving the use of hands--indicate that humans have been predominantly right - handed for mor...
A.
Human ancestors became predominantly right- handed when they began to use tools.
B.
It is difficult to interpret the significance of anthropological evidence concerning tool use.
C.
Human and their ancestors have been predominantly right - handed for over a million years.
D.
Human ancestors were more skilled at using both hands than modern humans.
【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.
【简答题】I make designs, drawings or pictures that are used especially in the production of book. I am a ____________.
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