There a few key tips will help you effectively present your work and your ideas in the professional world．

1．（36）___

Probably the most important aspect of a presentation is what you do in advance．Preparation is vital in organizing your thoughts and ideas into a whole that makes sense to your audience．Plus，knowing the material backwards and forwards means that you can be quicker and more accurate in answering questions and will allow you to ad-lib（随口说出） or go off script in a personal and confident manner．

2．Practice with a friend

Along with the preparation for the presentation itself，it's important to practice what you're going to say ahead of time，preferably with another person who could give you feedback．Practicing in front of somebody else，instead of just a mirror，will allow you to get an objective perspective on your performance，while also giving you a bit of an audience to work with．（37）___

3．Breathe and relax

During the actual presentation，it is important to remember to breathe and relax．This can be hard to remember when you're in the midst of what you're doing in front of an audience，but breathing will automatically slow you down and relax you during it．（38）___ I would advise a couple of deep breaths before starting a new slide point，just to keep your timing right．

4．Control your body language

（39）___ Oftentimes when giving a presentation，just as important as what you're saying is how you say it．Project confidence by looking out at people in the eyes and directing your presentation to the audience instead of behind them．It can also be a helpful tip to have open and inviting body language which can create a connection with the people you're presenting to．（40）___

A．Organize your thoughts

B．Prepare properly

C．A few hand gestures are always good．

D．Find someone who is patient enough to sit through your talk，and comfortably supporting you，but also giving