[听力原文]
W: How long does it take you to drive home when there is not much traffic
M: Normally about fifty minutes, but if I can’t leave my office before 5 p. m., it usually takes me 25 minutes more.
Q: How long will it take the man to drive home at rush hour（）

A. Leisure, elegance, and efficiency.
B. Leisure, elegance, and taste.
C. Graceful, efficiency and taste.
D. Romantic, efficiency and elegance.

A. Scientists have not discovered one single warning sign for all quakes.
B. Scientists have not yet discovered any sign that would tell the size of quakes.
C. Scientists claimed that they had found some methods of predicting earthquakes, but they didn’t work.
D. The methods scientists boasted of 20 years ago of predicting quakes didn’t produce desired results.