单项选择题

According to the passage which of the following would produce the LEAST amount of heat（）

A．A fat female who studies hard.
B．A thin female who does not study.
C．A fat male who does not study.
D．A thin male who studies har

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单项选择题

Which of the following does the author mention as a possible disadvantage of telecommuting（）

A．Small children cannot understand the boundaries of work and play.
B．Computer technology is never advanced enough to accommodate the needs of every situation.
C．Electrical malfunctions can destroy a project.
D．The worker often does not have all the needed resources at hom

单项选择题

Which of the following is example of telecommuting as described in the passage（）

A．A scientist in a laboratory developing plans for a space station.
B．A technical writer sending via computer documents created at home.
C．A computer technician repairing an office computer network.
D．A teacher directing computer--assisted learning in a private school.