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

The main purpose of this plan was to ______.
A．cut down the gas supply
B．eliminate the long lines at gas stations
C．result in the recent oil crisis
D．buy gas only in odd-numbers or even-numbers

A．Dogs.
B．Fashion.
C．Imported fashion.
D．imported dogs.

You are late for work again, Miss Jane. You ___ here half an hour earlier.
A．must be
B．could have been
C．may have been
D．should have been

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.