A．Making new discoveries in the electronics industry.B．-找考题网

单项选择题

A．Making new discoveries in the electronics industry.
B．Designing printers.
C．Selling printers.
D．Looking for successful products and find out the reasons.

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单项选择题

A．In the Qing Dynasty.B．In the 19th Century.C．In the Song Dynasty.D．In the 16thCentury.

A．In the Qing Dynasty.
B．In the 19^th Century.
C．In the Song Dynasty.
D．In the 16^thCentury.

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