关于MicrosoftPower Point 2003的占位符，错误的说法是（）。 ["它是一种带有虚线或阴影线边缘的框，绝大部分幻灯片版式中都有这种框。在这些框内可以放置标题及正文，或者是图表、表格和图片等对象","占位符可以被格式化、定位并调整大小","母版中的占位符如果被删除了，是可以恢复的","占位符中文本周围的空间是不可调整的"]
If fuel injection to a four-stroke/cycle diesel engine begins earlier than designed, ignition may be delayed because the （）. ["cylinder compression pressure may not be high enough","cylinder compression temperature may be too high","fuel oil injection pressure may not be high enough","scavenge and purge process is incomplete"]
A person being treated for shock should be wrapped in warm coverings to（）. ["increase body heat","preserve body heat","avoid self-inflicted wounds caused by spastic movement","protect the person from injury during transportatio"]
理财管理人委托资产管理类金融机构存放同业的具体模式包括以下哪些（） ["委托成立信托计划","证券类资产管理计划办理同业存款","委托成立保险类资产管理计划办理协议存款","委托成立资产计划"]
简述链壶菌、离壶菌的防治方法。
在进行渠道财务评估时，直接产品利润法是指什么？
