[问答题] 一般来说，C₄植物比C₃植物的光和产量要高，试从它们各自的光合特征及生理特征比较分析。

依据《民用爆炸物品安全管理条例》，民用爆炸物品生产企业应当对民用爆炸物品做出警示标识、登记标识，对雷管编码打号。 “生意通”业务是由（）和福建省农村信用社共同为专业市场、专业批发、行业配送、资金归集类商户提供的综合应用业务。 ["福建银联商务公司","中国银联福建分公司","人民银行福州中心支行","福建省工商局"] Even if（）vessel was unseaworthy，a Shipowner can still rely on the exception perils if the loss has not been caused by unseaworthiness. ["her","their","its","hi"] The effect of high vapor superheat in a refrigeration system, is a/an （）. ["increased capacity of the compressor","more efficient operation of the thermal expansion valve","decreased capacity of the compressor","loss of receiver capacity"] 电影电视构图的组成为（）。 ["主体、前景、后景","主体、陪体、环境","主体、陪体","前景、环境、主题"] 一般来说，C₄植物比C₃植物的光和产量要高，试从它们各自的光合特征及生理特征比较分析。