单项选择题

A．Because it was simple to manufacture.
B．Because it would be much easier to sell.
C．Because technology made it impossible to make other models.
D．Because the cost could then be low enough for people to buy.
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单项选择题
A．Staff workers need a lot of special training.B．Staff workers have a lot of responsibility.C．Staff workers can deal with almost every call.D．Staff workers should be highly qualified.
A．Staff workers need a lot of special training.
B．Staff workers have a lot of responsibility.
C．Staff workers can deal with almost every call.
D．Staff workers should be highly qualified.
单项选择题
A．It is too dark.B．It’s strange to wear in the office.C．The jacket and the pants don’t match.D．The suit is really light for cold weather.
A．It is too dark.
B．It’s strange to wear in the office.
C．The jacket and the pants don’t match.
D．The suit is really light for cold weather.
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