【单选题】Internet上每台主机都有一个唯一的IP地址。所有IP地址都为(15)位长。IP地址通常被分为A、B、C、D、E共五类。下列IP地址属于C类地址的是(16)。
【判断题】绩效管理的核心目的是对员工在绩效周期内的绩效表现进行评价,并找出其工作存在问题。
【单选题】域名服务器上存放有Internet主机的( )。
【判断题】电子探针包括能量分散谱仪和波长分散谱仪两种仪器。
【单选题】Which of the following speeds up the process of westward expansion?
A.
Population explosion in Europe.
B.
Improvement on transportation.
C.
People's hatred for wars.
D.
People's desire to escape exploitation.
【判断题】绩效管理的核心目的是对员工在绩效周期内的绩效表现进行评价,并找出其工作中存在的问题。
【单选题】The author's attitude towards westward expansion is ______.
【多选题】What contributed to the rapid westward territorial expansion of the United States ( )?
A.
the idea of Manifest Destiny
B.
the passage of The Homestead Act of 1862
C.
the discovery of gold in California
D.
the completion of the Transcontinental Railroad
【单选题】The westward expansion is a demonstration of American ________.