单项选择题A.He was feeling sick when he gave his presentation.B.He was interested in presenting his ideas at the front of the class.C.He found it very easy to give a presentation.D.He felt very uncomfortable before the class.
单项选择题A.They have great effect on people’s intelligence.B.They have some effect on most people’s intelligence.C.They have effect on some people’s intelligence.D.They have no effect on people’s intelligence.