破碎的目的和要求？
参考答案：
目的：改变油料的粒度，使其适合扎胚工艺要求。
要求：不出油、不成团、粉末度小；粒度均匀；破碎设备。
It's certainly hard work. But, ________, a man who wishes to have a career has to make a great many
sacrifices. [ ]
A. on the contrary
B. on the other hand
C. for another
D. in addition
患者，女，50岁。口苦，心烦，胸闷不舒，入睡困难，舌质红，脉数。治应首选（）
A.栀子、淡竹叶
B.栀子、淡豆豉
C.黄连、肉桂
D.酸枣仁、柏子仁
E.酸枣仁、远志
