【单选题】Total risk is measured by _____ and systematic risk is measured by _____.
B.
beta; standard deviation
D.
standard deviation; beta
【简答题】2 经济型数控车床的电动机驱动的伺服系统是( )伺服系统。
【简答题】The author is an American novelist and poet best known as the author of the novel ( ).
【单选题】Where in the passage does the author mention leaving valuables in view is an invitation to the criminals?
【判断题】人类的美好理想,都不能唾手可得,都离不开筚路蓝缕、手胼足胝的艰苦奋斗。
【单选题】______Miller Anderson is an author of more than 8 novels, the forty-year-old writer has never enjoyed much fame.
【判断题】There is an international marriage between the author and her husband. The author is a Chinese, while her husband is a Canadian.
【简答题】_________ is the way an author or an actor describes or shows what a character is like.