智慧职教: The original thickness of the carbon strips is ( ) and when the thickness reaches 3mm , the carbon strips must be replaced.

If something ______<br/>a surface, it makes long stripes or marks on the surface. A: echoes B: clings C: strips D: pits

下列属于期权组合套利策略的有（）。 A: 跨式组合 B: Strips组合 C: Straps组合 D: 宽跨式组合

Which of the following are the types of columns encountered in gas chromatography?(1) flat plates (2) packed columns (3) plastic strips (4) open tubular, or capillary columns A: 1,2 B: 3, 4 C: 1, 3 D: 2,4

期权组合套利策略是指构建同一标的物、相同或不同执行价格的一个或多个看涨期权和看跌期权的策略，主要有（） A: 跨式组合 B: Strips组合 C: Straps组合 D: 宽跨式组合

a light container, often with a handle, which is made of thin strips of wood, metal or plastic woven together and is used for carrying or storing things 未知类型：{'label': 'questionDesc', 'content': '请根据题干的描述选择合适的词语。', 'isMemberControl': 0, 'type': 181} A: oh B: raincoat C: bye-bye D: basket

a part of a fence or outside wall that is fixed at one side and opens and closes like a door, usually made of metal or wooden strips 未知类型：{'label': 'questionDesc', 'content': '请根据题干的描述选择合适的词语。', 'isMemberControl': 0, 'type': 181} A: holiday B: ice C: behind D: gate