No computer can imitate(模仿) the (complex) functions of the human brain.
A. 简单的
B. 复杂的
C. 困难的
D. 直觉的
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They never learned skills to (engage) the attention of the others.
A. 吸引住
B. 说服
C. 想象
D. 补充
I enjoy (socializing) with the other students.
A. 争论
B. 管理
C. 交往
D. 鼓舞
Young people always offer their seats to older people on a ( ) subway or bus.
A. unique
B. crowded
C. charming
D. loyal
We must take positive steps to ( ) the problem.
A. deal with
B. combine with
C. go with
D. argue with