口译笔译考试

【单选题】

A、Because patients may not be able to afford the $ 300 price tag.
B、Because it cannot stop the grinding or clenching.
C、Because it cannot protect the teeth.
D、Because it will damage the arrangement of the teeth.

网考网参考答案：D
网考网解析：
[听力原文] The doctor suggests that the over-the-counter mouth guard can only be used occasionally. Why is it so document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>