Final answer:
Strategies to avoid plagiarism in speech include citing all sources, avoiding paraphrasing without giving credit, not copying and pasting information, and not using someone else's speech as your own. Option 2.
Step-by-step explanation:
When giving a speech, it is important to keep in mind strategies to avoid plagiarism. One of the most helpful strategies is citing all sources used in the speech. This means giving credit to the original authors by mentioning their names or including references to their work.
Another strategy is paraphrasing information without giving credit. However, this is not recommended as it can still be considered plagiarism. Instead, it is better to properly cite the sources. It is crucial to avoid copying and pasting information from the internet without citing the source, as this is a form of plagiarism.
Lastly, using someone else's speech as your own is also considered plagiarism and should be avoided.
So option 2 is the correct answer.