题目

His honesty is beyond question.In other words,it is____ that he has stolen the  laptop computer. A. certain     B.sure         C. out of question   D. out of the question 答案：D①人、②大地、③塑料、④金属、⑤油、⑥橡胶、⑦玻璃、⑧陶瓷、⑨盐水等物质中，通常情况下属于导体的是    ，导电性能介于导体和绝缘体之间的物体叫做    ．