【单选题】治疗胆囊结石,方法正确又效果确切的是()
【多选题】下列哪几项属于梯度法的特点()
C.
在远离极小点时逼近速度较快,而在接近极小点时逼近速度较慢
【单选题】Which of the following is a common source of misunderstanding between IT and other departments?
A.
different levels of organization goals
C.
different levels of communication skills
【判断题】Heating and air conditioning are examplesof common costs of all departments in a retail store.