【判断题】LTE系统传输用户数据主要使用共享信道。( )
【单选题】—Why did you all go roller skating _________ Tony? —Because he preferred to watch the World Cup at home. [ ]
【单选题】Why did many American scholars become enthusiastic about humanistic studies after World War II?
A.
They wanted to improve their own status within the current education system.
B.
They believed the stability of a society depended heavily on humanistic studies.
C.
They could get financial support from various foundations for humanistic studies.
D.
They realized science and technology alone were no guarantee for a better world.
【单选题】Why did Braille think blind people were the loneliest in the world?
A.
Because no people would make friends with them.
B.
Because no relatives would like to live with them.
C.
Because there were no books for them to read and they couldn't know many things by feeling or hearing only.
【单选题】Why did American city residents want to live in the suburbs after World War Ⅱ?
A.
Because older American cities were dying.
B.
Because they were richer and needed more space.
C.
Because cities contained the wont pare of society.
D.
Because they could hardly afford a live in the city.
【单选题】Originally, The Voice is created by ___________?
【单选题】在污水的药剂中和法中,最常用的药剂是( )。