题目

 In the US, students can do almost anything they want in class, ____ they don’t make too much noise or disturb others who want to learn from the teacher. A. even though    B. now that    C. so that    D. as long as 答案：D以下工业部门属高技术工业部门的是………………………………………………（　） A．电子工业、化学工业 B．半导体工业、核工业 C．遗传工程、激光工业 D．航天工业、汽车工业