Questions 24 and 25 are based on the following news. At the end of the news item, you will be given 10 seconds to answer the questions.
Now, listen to the news.
The following countries are the rising stars in the aerospace industry EXCEPT

A．many foreign tourists visit the United States every year.
B．Americans enjoy eating out with their friends.
C．the United States is a country of immigrants.
D．Americans prefer foreign foods to their own foo

A．A more economical diesel fuel.
B．Characteristics of a new type of fuel.
C．Where is a new energy source located
D．How to develop alternative energy sources.