题目内容

可以将同一个定时器号用于程序中的接通延时定时器TON和断开延时定时器TOF。

A. 对
B. 错

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Most Americans exceedtwenty hours ofTV viewing per week

A. avoid
B. go over
C. prevent

The number of TV shows that people choose from has expanded over the past few years.

A. become more interesting
B. become more complicated
C. become greater

I am worried about your welfare because all you do is watch TV! You're becoming lazy and unhealthy.

A. resources
B. well-being; happiness
C. reading level

Many parents have begun to monitor the shows their young children watch.

A. check
B. forget
C. contribute to