下列因素中，属于SWOT分析中的优势和劣势分析因素的是（ ）。
A．产品的性能和质量
B．企业与供应商的关系
C．新产品替代
D．政策扶持
参考答案：A
目前沪深证券交易所的证券交收均采用T+1滚动交收方式。()
--- Why does she always ask you for help? ----- There is no one else _______, is there?
A．who to turn to
B．she can turn to
C．for whom to turn
D．for her to turn
sk you for help? ----- There is no one else _______, is there?