单选题 Questions 11 to 13 are based on the following passage.

单选题 What"s the chief duty of every government?

A、 To protect persons and property.
B、 To collect taxes.
C、 To teach and train citizens.
D、 To save natural resources for future use.

【正确答案】 A

【答案解析】[解析] 题干问：“每个政府的主要职责是什么?”听力材料的第二段“The chief duty of every government is to protect persons and property.”，指明政府的首要职责是保障人身和财产的安全。所以本题的答案选A。

单选题 How did the government raise money in the past?

A、 By selling services that make life comfortable.
B、 By selling land containing oil.
C、 By selling public lands.
D、 By selling coal and other natural products.

【正确答案】 C

【答案解析】[解析] 题干问：“政府在过去如何筹集资金?”听力材料的第三段“years ago the government made money from the sale of public lands.”，这与选项C的意思一致。所以本题答案选C。

单选题 What is the passage mainly about?

A、 Environmental pollution and protection.
B、 Taxes and services for the public.
C、 Policy efforts to protect people.
D、 People"s attitude toward taxes.

【正确答案】 B

【答案解析】[解析] 题干问：“这篇文章主要讲的是什么内容?”听力材料讲述的是与公众有关的税收和服务问题，所以答案选B。