单项选择题

When will a company renew an existing model（）

A．When it sells well and brings in a good profit.
B．When it needs improvement to meet the needs of users.
C．When some of its features have to be deleted.
D．When certain options have to be adde

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单项选择题What does Cindy mean by cheating at both ends （）

A．Do things for family when she is supposed to be at work.
B．Work for the company while she is supposed to stay at home.
C．Meet the demands of both family and work with a flexible schedule.
D．Balance the needs of her family against the demands of her work.

单项选择题What is Cindy's chief responsibility now（）

A．Renewing promising car models.
B．Supervising production.
C．Doing market research.
D．Developing small cars.