专四专八考试

【单选题】The guest speaker invites the anchorperson to touch LED、in order to show ______.
A、it is not hot
B、it is safe
C、it is cheap and solid D、it lasts more hours
网考网参考答案：B
网考网解析：
根据原文…if you can feel them, very safe, because they don’t get hot to touch,其目的在于表明灯泡的安全性，而不仅是灯泡热不热的问题，因此本题选B。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>