Those who work long hours are more likely than men to (662) ______ in unhealthy behavior such as eating snacks, smoking and drinking caffeine.

Which of the following is closest in meaning to crux in paragraph 4?

According to the text, what is the importance of candles?

The word " evolved" is closest in meaning to _________.

According to the passage, we respond to others by _________.

The best title for the passage is ________________.

The changes possibly caused by the cell phones are mainly concerned with ____________.

What is the passage mainly about?

Why is the example of the Industrial Revolution given?

According to the passage, what makes mobile phones potentially harmful is ____________.

According to the text, what dose the increase of candle sales illustrate?

What does the author mean by stating that “function should determine form”?

Many studies on emotional expressions try to answer the question whether _________.

Which of the following is NOT mentioned as evidence that the length of the workweek has been declining since the nineteenth century?