John is the only one of the students in the class that never _______ a mistake even when it is pointed to him.

下列各句中加点成语的使用，全部正确的一项是（ ）①舞台上的灯光时明时暗，快速变幻的布景令人目不交睫，随着歌手的狂歌劲舞，观众席上也一片沸腾。②有专家指出，石油是不可忽视的战略资源，我们必须厝火积薪，未雨绸缪，进一步健全中国的石油安全体系。③那些航空领域的拓荒者，很多已经离开人世，但他们筚路蓝缕的感人形象一直深深印在人们的记忆中。④这次会谈并没有其他人员参加，他们两个人又都一直讳莫如深，所以会谈内容就成为一个难解之谜。⑤正在悠闲散步的外科主任王教授，突然接到护士电话说有个病人情况危急，他立刻安步当车向医院跑去。⑥从用字之讲究可以看出，这首诗的作者苦心孤诣，要在这有限的篇幅中营造出一种深邃幽远的意境。

Have you decided to take up teaching as a career after graduation—I ________ go abroad for further education instead, but it depends.

In our English study, reading is more important than speaking, I think.—I don’t agree, speaking is as ________ as reading.

esult of the earthquake, two-thirds of thebuildings in the area________.