【单选题】Sadness is an _________.
【单选题】[单选题]单向传力的螺旋传动广泛采用( )
【简答题】Fear is an emotion like others such as happiness, anger, hurt, sadness. We need emotions to process information we receive and decide how to respond. Being afraid of fast cars, for example, is somethi...
【简答题】阅读理解。 Fear is an emotion like others such as happiness, anger, hurt, sadness. We need emotions to process information we receive and decide how to respond. Being afraid of fast cars, for example, is s...