A、 News about a friend.
B、 Information they read in a newspaper.
C、 An article on the economy.
D、 A classroom lecture.

【正确答案】 A

【答案解析】解析：推断题。根据第一句的Did you hear the news about David以及男士的回答David was always a sharpguy，and he has a sharp eye for business．可推出对话是关于他们的朋友David的。因此，正确答案是A。

A、 He is lucky.
B、 He doesn' t know much about business.
C、 He is a good businessman.
D、 He shouldn' t have moved to Australia.

【正确答案】 C

【答案解析】解析：细节题。根据问题，可以定位至对话中男士的答语，根据I hadn’t heard the news，but I’m not surprised．David was always a sharp guy，and he has a sharp eye for business．可知男士认为David是一位出色的生意人。因此，正确答案是C。

A、 He earns more and more money every day.
B、 His business isn' t doing well at all.
C、 He is considering starting the business in Australia.
D、 His customers are coming like they used to.

【正确答案】 B

【答案解析】解析：细节题。根据To tell you the truth，my business isn’t doing well at all．可知这位男士自己的生意并不是很好。因此，正确答案是B。

A、 It is experiencing an economic boom.
B、 It is difficult to make money.
C、 It is very prosperous.
D、 Only good businessman can be profitable.

【正确答案】 B

【答案解析】解析：推断题。根据女士答语Right here where we are，we’re in the middle of a recession，and everyone is trying to save money．It’s practically impossible to make any money here．可推出在自己的国家很难挣钱。因此，正确答案是B。