The electronic computer is （）some of the tasks that were once accomplished by our own brains.

单项选择题Next week you’d better bring all your questions here. We’ re going to have a question-and-answer （）.

A. section
B. service
C. session
D. course

单项选择题The argument about the interpretation of the sentence（）on the meaning of one word．

A．hinged
B．hindered
C．headed
D．hunted