作家文体成熟的标志是（）。 ["情节设计","结构严谨","文学风格","语言精练"]
（）接近法实际上是把产品示范过程戏剧化，可增加对顾客的吸引力，使之产生兴趣，为推销会谈铺平道路。 ["聊天","好奇","表演","鼓励"]
对于居民小区的地下车库，一般情况下天线覆盖半径（） ["5-10m","10-15m","15-20m","20-25m"]
The steady state difference between the control point and the value of the controlled variable, corresponding with the set point, is known as （） ["dead band","control point","deviation","offset"]
什么船是油船？
什么船是化学品船？
