【判断题】柔光箱的作用就是柔化生硬的光线,使光质变得更加柔和。
【单选题】________ buy food, many people go to supermarket. A. So as to B. In order to C. In order not to D. So as not to
【单选题】育雏期的温度,11日龄以后育雏室育雏期的温度,应保持( )。
【判断题】目前种子加工中常用的是旋风除尘器和布袋除尘器。
【多选题】to,so as to,in order to,so that,in order that 的主要区别: Prohibit smoking in the station or the train ( ) keep these places clean.