四六级考试

【单选题】
A、Helpful and polite employees.
B．Good food for customers.
Clean tables and floors.
D．With food ads at the entrance.

网考网参考答案：D
网考网解析：
[听力原文] Which of the following is not necessary to run McDonald’s document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>