A. 对 B. 错
A. 趋向或者避开某个目标 B. 利用环境和条件达到某个目标,具有认知的特征 C. 遵循最小努力原则 D. 具有随意性 E. 具有可教性
A. He wanted to get to know her. B. He wanted to have lunch. C. He was her boyfriend. D. He was doing a test.