单项选择题

The cost of laptops will decline because ______.

A．there are so many computer factories in China
B．a new generation of chips is launched and production has been increased
C．people don't need it so much
D．foreign PC makers have increased their production in China
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单项选择题
Acer Inc, Fujistu-Siemens, and Toshiba are ______.
A．P. C. makers
B．P. C. sellers
C．P. C. makers or sellers
D．famous computer companies
单项选择题
It seems that Toshiba ______.
A．is a famous Japanese company
B．is a computer company
C．is a P. C. company
D．has a P. C. factory in China
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