四六级考试

【单选题】{{B}}Questions 11 to 13 are based on the passage you have just hearD、{{/B}}
A、Environmental pollution and protection.
B．Taxes and services for the publiC、
C．Police efforts to protect people.
D．People’s attitude toward taxes.

网考网参考答案：B
网考网解析：
[听力原文] What is the passage mainly about document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>