专四专八考试

【单选题】In this section you will hear several conversations. Listen to the conversations carefully and then answer the questions that follow.
What is the new material
A、A、fuel that burns cleanly.
B、An oil additive that helps cool engines.
C、A、material from which filters are made,
D、An insulating material sprayed on engine parts.
网考网参考答案：D
网考网解析：
本题测试对文章细节信息的概括能力。根据文中信息“Well，there is a material that’s a really good insulator．And a thin coat of it gets sprayed on the certain part of the engine．”，可以直接推出正确答案为D。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>