以下各项中关于价格歧视说法正确的是（）。

5. According to the Post, this innovation is an important step towards its key strategic goal of improving current services with digitalization and developing the digital monitoring of letters and other addressed mails.

According to the text, what is peoples attitude towards innovation nowadays？

A．Scared.

B．Comfortable.

C．Disturbing.

D．Indifferent.

According to Peter Watson, the most important innovation happens in ______.

A．the cultures we have

B．the way we think

C．the technological advances

D．the subjects we are studying

A．innovation

B．commitment

C．self-confidence

D．foresight

According to Paragraph 1, who are primarily the readers of the Post？

A．Businessmen.

B．College students.

C．Housewives.

D．Politicians.

Which of the following is NOT true according to the passage？

A．Invisible trade is not important.

B．Developed countries enjoy favorable conditions in foreign trade.

C．Goods from developed countries fetch higher prices in international markets.

D．Columbia and Brazil have just the right climate for growing coffee.

According to the passage，the essence of America is

A. the"American Di．ealil”．

B. innovation．

C. not a unitary concept．

D. tolerance．

According to the passage, which of the following is NOT true？

A．Social values play an important role in social change.

B．Social change is more likely to occur in the material aspects of society.

C．Social change is more likely to occur if it comes gradually.

D．Social change tends to meet with more difficulty in basic and emotional aspects of society.