[单项选择]

What are feelings for Most nonscientists will find this a strange question. Feelings justify themselves. Emotions give meaning and depth to life. They need, serve no other purpose in order to exist. On the other hand, many evolutionary biologists, in contrast to animal behaviorists, acknowledge some emotions primarily for their survival function. For both animals and humans, fear motivates the avoidance of danger, love is necessary to care for young, and anger prepares one to hold ground. But the fact that a behavior functions to serve survival need not mean that that is why it is done. Other scientists have attributed the same behavior to conditioning, to learned responses. Certainly reflexes and fixed action patterns can occur without feeling or conscious thought. A gull chick pecks at a red spot above it. The parent has a red spot on its bill; the chick pecks the parent’s bill. The gull parent feeds its chick when pecked on the bill. The baby gets fed. The interaction ne
A. emotions do not exist.
B. emotions contribute to survival.
C. emotions serve no other purpose than giving meaning and depth to life.
D. only humans are capable of emotions.

[单项选择]

What are feelings for Most nonscientists will find this a strange question. Feelings justify themselves. Emotions give meaning and depth to life. They need, serve no other purpose in order to exist. On the other hand, many evolutionary biologists, in contrast to animal behaviorists, acknowledge some emotions primarily for their survival function. For both animals and humans, fear motivates the avoidance of danger, love is necessary to care for young, and anger prepares one to hold ground. But the fact that a behavior functions to serve survival need not mean that that is why it is done. Other scientists have attributed the same behavior to conditioning, to learned responses. Certainly reflexes and fixed action patterns can occur without feeling or conscious thought. A gull chick pecks at a red spot above it. The parent has a red spot on its bill; the chick pecks the parent’s bill. The gull parent feeds its chick when pecked on the bill. The baby gets fed. The interaction ne
A. only humans have emotions.
B. only animals have both learned and emotional behavior.
C. emotions are more difficult to measure and observe than reflexive behavior.
D. reflexes and conditioning will lead to better understanding of animal emotion.

[单项选择]What most likely follows this passage
A. Pictures of Sioux naming ceremonies.
B. Graphs of population increases among the Sioux.
C. Explanations of Sioux nicknames.
D. Pictographs of Sioux names.

[单项选择]What most likely happened to Benji about 15 years ago

[单项选择]What most likely made people think about a transcontinental railroad
A. The possibility of government support for such a task.
B. The need to explore Utah.
C. The need to connect the east coast with the west.
D. The need to develop the railroad industry in the west.

[单项选择]What fears people most
A. Poultry will infect many people.
B. The disease can spread quickly among people.
C. There will be human-to-human transmission.
D. A new disease combining bird and a human flu will break out.

[单项选择]What principles most influenced scientific thought for two thousand years

[单项选择]What do most Americans look at tourism


A. They assume that tourism can enrich their knowledge and broaden their horizons.
B. They think that tourism is to buy and enjoy the luxury of life.
C. They think tourism allows them to exploit new things when traveling around the world.
D. They think tourism is the only way to enjoy local culture, good weather, or beautiful scenery.

[单项选择]What are her present feelings about her children