交互技术能促进团体的互动更有效,更富有建设性,具体技术有()
A.支持
B.折中
C.提炼归纳
D.发问
参考答案:A, B
巴西人口中所占比例最大的是[ ]
A.白种人
B.黑种人
C.混血种人
D.印第安人
The speaker ______ have criticized the paraprofessionals, knowing full well that they were seated in the audience.
A.should not to
B.must not
C.ought not to
D.may not