The main purpose of descriptive statistics is to（）
A. summarize data in a useful and informative manner
B. estimate a population characteristic based on a sample
C. determine if the data adequately represents the population
D. gather or collect data
查看答案
According to Laozi, the effective approach one should adopt for the knowledge of the Dao is through______（）
A. the correct use of names
B. the precise description of language
C. concepts and logical reasoning
D. the intuitive understanding of mind
关于深度学习的说法中，下面说法正确的是（）
A. 用Sigmoid激活函数时，如果权重初始化较大或较小时，容易出现梯度饱和梯度消失，可选用Tanh函数改进
B. 批规范化（batch normalization）是在不引入新参数的情况下保证每一层网络的输入具有相同的分布
C. 与Sigmoid函数相比，Relu较不容易使网络产生梯度消失
D. 梯度下降法实现简单，当目标函数是凸函数时，可基于二阶收敛快速到达目标值
According to Sunzi, supreme excellence in warfare refers to___（）
A. defeating the enemy’s resistance without fighting
B. winning every battle against your enemy
C. being always well-prepared
D. capturing the enemy’s highest commander
Which of the following statements about The Art of War is not true（）
A. The book used to be a primary source for Westerners to understand Chinese strategic thoughts
B. It is heavily influenced by Confucian teachings about morality
C. Its influence never fades and it is still frequently quoted in today’s world
D. It doesn’t advocate war and military conquest
微信支付 
支付宝支付