Why do many people like German shepherd？A．Because it is very beautiful as well as powerful

What is the main topic of the talk?

A．The care and proper selection of dogs for family pets.

B．Different breeds of dogs and how to recognize mem.

C．Responsibility for seeing that dogs are properly cared for.

D．Different kinds of books about how to train a dog.

Why do people dream?

A．People dream so as to sleep better.

B．People dream in order not to go to REM sleep.

C．Because they may forget difficult problems in their dreams.

D．Because in their dreams they may find answers to their problems.

Which of the following is CORRECT about the experiment?

A．Sleeping pills made people go into REM sleep quickly.

B．People had more dreams after they took sleeping pills.

C．People became angry easily because they didn"t take sleeping pills.

D．Sleeping pills prevented people from going into REM sleep.

How often does a person dream each night?

A．Two to four times.

B．Four to six times.

C．Every 60 minutes.

D．Every 90 minutes.

Where was the result of the study first made public?

A．At a conference.

B．In a newspaper.

C．On television.

D．In a journal.

How would moderate drinkers feel about the new research findings?

A．Worried.

B．Pleased.

C．Surprised.

D．Unconcerned.

What has recent research found about drinking?

A．Alcohol helps develop people"s intelligence.

B．Heavy drinking is not necessarily harmful to one"s health.

C．Controlled drinking helps people keep their wits as they age.

D．Drinking, even moderately, may harm one"s health.

What will the library do if a reader fails to return the videos on time?

A．Discard his application from.

B．Forbid him to borrow any items.

C．Cancel his video card.

D．Call him to apply again.

Which of the following groups of people can join the library?

A．University teachers.

B．High school students.

C．Senior engineers.

D．Office workers.

About the new finding, which of the following statements is CORRECT?

A．It confirms the known date of cats as pets.

B．It disproves proof for a long-time speculation.

C．It is strongly disputed by some scientists.

D．It shows cat domestication dates back 9,500 years.