Dennis' hands were muddy. He washed them. (does that work?)
Answer:
gain audience attention and interest.
enhance the presenter’s credibility.
Explanation:
When you are going to introduce the presenter to a lecture, it is important that you gain public attention and interest in the subjects that will be addressed by the presenter. In this case, you can present who the presenter is and what he is going to talk about, emphasizing the relevance of this subject and the presentation as a whole. In addition, it is important to emphasize why this presenter should be heard, presenting the reasons that make him a qualified person to present the given subject, which allows the presenter's credibility to be improved.
No, students shouldn't be allowed to have pets at school. Though many students love the thought of pets by their sides, it can be a distraction and many students that have allergies to pets. Imagine sitting in a classroom taking a test, and pets start going crazy, barking or causing a scene. Or students rubbing their eyes or sneezing at the shedding of fur. Students could also start playing with their pets and become distratced from their teachers. In conclusion, students may love pets at their side and may think it would be better, but in the end it would be a pretty bad idea.
