[填空题]The past two decades have seen in the US an increase in the number of the newspapers but a decrease in their readership.

[单项选择]As we have seen, propaganda can appeal to us by arousing our emotions or（　）our attention from the real issues at hand.
A. retaining
B. sustaining
C. distracting
D. obscuring

[单项选择]Most of us have seen a dog staring at, sometimes snarling at, and approaching a reflection of itself. For most animals, seeing their own image in a mirror acts as a social stimulus. But does the dog recognize itself, or does the reflection simply signal a potential companion or threat This question is interesting for a number of masons. Apart from curiosity about the level of animals’ understanding, research on serf- recognition in animals has several benefits. It provides some insight into the evolutionary significance of this skill of serf-recognition and into the level and kinds of cognitive competence that the skill requires. Such research also indicates the kinds of learning experiences that determine the development of self-recognition. In addition, work with animals fosters the use of techniques that are not dependent on verbal responses and that may therefore be suitable for use with preverbal children.
The evidence indicates that dogs and almost all other nonhumans do not
A. whether dogs recognize themselves in mirrors
B. whether the grooming practices of chimps can be altered
C. whether nonhumans have a serf-concept
D. what her chimps change their behavior when a mirror is present

[填空题]What do we know about sea Most of us have seen it. Many of us have swum in it. We know that it looks very pretty when the sun is shining on it. And we also know that the sea is full of waves. Waves are beautiful to look at, but they can (11) ships at sea, as well as houses and buildings near the shore. What causes waves Most waves are caused by winds blowing over the (12) of the water. The sun heats the earth, causing the air to rise and the winds to blow. The winds blow across the sea, pushing little waves into enormous ones. When the wind is blowing at 120 (13) per hour, most waves will be about 12 meters high. In 1933 the United States (14) the largest measured wave in history. It rose in the Pacific Ocean to a (15) of 34 meters.

[单项选择]

[听力原文]
M: Of the two houses we have seen, which one do you think fits our needs better, the first one or the second one
W: The second one. It seems very expensive. But in the long run it will save us the money on the maintenance.

What does the woman say about the reason for her choice （）
A. The first house they saw is too expensive.
B. She is happy with the price set by the seller.
C. They may save some money for the time being.
D. Less money will be spent in maintaining the house.