在下列关于商业银行和中央银行本质特征的表述中，正确的是（）。

The main idea of the passage is that ______.

A．the two kinds of words, popular and learned words, are both important in a cultivated language

B．it is easy to learn popular words in a language

C．we must make great efforts to learn learned words

D．learned words are more important than popular words

What is the Depression-era move according to the passage？

A．Workers at Kellogg's plant work two hours less every day.

B．Workers at Kellogg's plant get five dollars more every day.

C．Workers at Kellogg's plant get only five dollars each day.

D．Workers at Kellogg's plant work less and earn more.

Passage Two Questions 30 to 32 are based on the passage you have just heard.

第30题：

A)Because it is a means communication between people of different countries.

B)Because it is a means of communication between people of different professions.

C)Because it is the second language of all the people in the world.

D)Because it is compulsory subject on every school curriculum around the world.

To which two great families or groups of families does the passage refer？

A．the Yorkists and the Lancastrians

B．the Yorks and the Roses

C．the White and the Red

D．France and England

To which two great families or groups of families does the passage refer？

A．the Yorkists and the Lancastrians

B．the Yorks and the Roses

C．the White and the Red

D．France and England

A．two

B．three

C．four

D．five