根据Ekman的理论,基本情绪分为:快乐、悲伤、愤怒、恐惧、惊讶这五种。
参考答案:错
As it is known to all,________ attention you pay to your spelling,________ mistakes you might make.
A.the less; the less
B.the less; the fewer
C.the less; the more
D.the more; the more
加压过滤机的液压杆限位开关无信号或连续信号是什么原因造成的?如何处理?