传统的卷材有()等三大系列。
A.涂膜防水卷材
B.沥青防水卷材
C.高聚物改性沥青防水卷材
D.合成高分子防水卷材
参考答案:B, C, D
下列属于教态语言特征的是()
A.辅助性
B.连续性
C.表情性
D.情境性
Computer hardware engineers research, design, develop, and test computer hardware and supervise its manufacture and (73) . Hardware refers to computer (74) , circuit boards, computer systems, and related equipment such as keyboards, modems, and printers.
A.fixing
B.building
C.setting
D.installation