【单选题】Monica _________ her emails now, and then she is going to write back.
【单选题】形成一种稳定的乳状液,必须具备()个条件。
【单选题】Of all the subjects,I like________history most as it gives me________useful knowledge of what happened even centuries ago. [ ]
【单选题】I still don't know what ___ when I was away from home.
【单选题】I was spending my holidays at the time, so I have no idea how it________A.was happeningB.happene
A.
24. I was spending my holidays at the time, so I have no idea how it________ A.was happening
【单选题】设定要分析的因素均从初始值开始一个相同的幅度变动(相对于确定性分析中的取值),比较在同一变动幅度下各因素的变动对分析指标的影响程度,影响程度大者为敏感因素,该法称为( )。