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单项选择题

The passage mainly tells us that ______.

A．the increase of human population leads to more destruction of the natural world
B．the decrease of animal population results from the dwindling biodiversity in the natural world
C．the planet's biodiversity is also related to the number of households
D．the planet's biodiversity relies on the balanced increase of larger and smaller households

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单项选择题Which of the following statements about emotions is NOT TRUE

A．Emotions are accompanied by some certain behaviors.
B．Emotions are combinations of subjective feelings.
C．Extreme emotional reactions are the features of emotional cognitive thought.
D．Emotional occurrences are also the processes of mental thinking.

单项选择题Why do the researchers try to classify emotions

A．Because they try to place their research on a manageable basis.
B．Because there too many emotions to recognize.
C．Because each emotion represents a different implication.
D．Because there are some secondary emotions.

单项选择题What are the elements that produce human emotions

A．Some strong uncontrolled forces which trigger emotions.
B．Internal processes such as illnesses, happiness, anger, etc.
C．External happenings such as deaths, divorce, promotions, etc.
D．External environmental events as well as internal mental processes.

单项选择题A．Economical fuel.B．A new kind of fuel.C．Energy saving.D．Air pollution.

A．Economical fuel.
B．A new kind of fuel.
C．Energy saving.
D．Air pollution.

单项选择题A．A doctor.B．A police officer.C．A repairman.D．An actress.

A．A doctor.
B．A police officer.
C．A repairman.
D．An actress.

单项选择题The passage indicates that individual emotions ______.

A．vary from person to person
B．follow more or less the same patterns
C．keep changing inconsistently
D．are genetically inherited

单项选择题The two examples given in the third paragraph shows that ______.

A．emotions are the results of physiological reactions based on external events
B．excitement and fear are commonly seen human emotions
C．physiological changes determine all human actions
D．environmental occurrences are related with mental thinking

单项选择题Some environmentalists warn that the soaring population will cause ______.

A．the degradation of people's living standard in the next century
B．the deterioration of living environment in the next century
C．the reproduction of more wild species in the next century
D．the extinction of more wild species in the next century

单项选择题The example in paragraph 8 indicated that ______.

A．the local people do not mind conserving the natural environment
B．the local people should further control the rise of population
C．the increase of local population led to the decrease of biodiversity
D．the increase of individual households led to the decrease of biodiversity

单项选择题Researchers state that ______.

A．larger families are more efficient in consuming natural resources than smaller families
B．both larger and smaller families need the same amounts of natural resources
C．smaller families are more extravagant in living
D．larger families are more frugal in living