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【判断题】
3D打印技术只是增材制造的一种A.
正确
B.
错误
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【简答题】These two products _________ two different audiences. A link to Bmake up Ccater to Drecall up
【单选题】_________side of the street is lied with different shops, _________of which sell electronic products.
A.
Both; both
B.
Either; all
C.
Neither; either
D.
Either; both
【简答题】When manufacturing many different products，people commonly use natural gas______．
【单选题】The production method is not dependent on the size of a company because different products can ______.
A.
be displayed at different locations
B.
be produced by different production methods
C.
be designed by different specialists
D.
be sold at different markets
【单选题】According to the specifications, the two products are intended for two different uses, though at first glance they look ______ identical.
A.
near
B.
nears
C.
nearing
D.
nearly
【单选题】Oil is an important ______ material which can be processed into many different products, including plastics.
A.
raw
B.
bleak
C.
flexible
D.
fertile
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