The word primarily in the passage is closest in meaning to
A．mostly
B．somewhat
C．finally
D．always

How did Alfred Russel Wallace's view of peacocks differ from that of Darwin？
A．He thought that a peahen's choice of mate was practical.
B．He believed that animals could experience emotions.
C．He believed animals appreciated beauty for its own sake.
D．He believed that the peacock's train must have a protective function.

Which of the following are examples of the marketing function of harvesting？ Click on two answers.
A．picking cotton
B．Sorting eggs by size
C．Moving corn to a grain elevator
D．Milking cows

Listen again to part of the lecture. Then answer the question. Why does the professor say this: G
A．To compare different ways of conveying a message
B．To explain an important theory of communications
C．To show that miscommunication is a serious problem
D．To introduce a controversial topic of conversation

Listen again to part of the lecture. Then answer the question. What does the professor imply about the effects of the media on society？
A．The media did not affect society before the twentieth century.
B．Television has a mostly negative effect on human behavior.
C．The media's effects are of widespread interest and concern.
D．The Internet will be the most influential medium in the future.

听力原文：If you are asking for someone to translate this document, I think the new secretary, who is bilingual, can do the job hand over fist.
（23)
A．No one in this office is willing to do the translation except yourself.
B．The new secretary will ask someone to fix the date for you.
C．The new secretary can type and hand in the document for you.
D．The secretary is an able person to help you with the translation.