Chapter 15 lists a number of techniques for overcoming nervousness and releasing nervous energy before giving an oral presentation. one is to remind yourself that you are prepared. what is another technique mentioned in the chapter? a. jog rapidly in place for a few minutes.
b. realize that the audience is there to hear you, not to judge you.
c. take several deep breaths, exhaling slowly.
d. drink two or three 8-ounce glasses of water.
e. focus your gaze on the far wall for the first few minutes of your presentation.

Read the passage. the dust bowl during the 1930s, extreme drought and high winds made life incredibly difficult in the great plains region of the united states. in many areas, rainfall was forty percent less than normal. the soil became extremely dry, and when strong winds blew, they created tremendous dust storms. these so-called “black blizzards” were so thick that they made daylight seem like dusk. during this terrible period, the great plains region of the united states was named the “dust bowl.” over the next few years, the drought continued, and the winds created more dust storms. in some places, the drought and high winds lasted for eight years. many people wondered if the black blizzards would ever end. which statement about this paragraph’s main idea is true? this paragraph’s main idea is stated in the topic sentence. there are not enough details to support the main idea. this paragraph’s main idea is implied. this paragraph does not express a main idea.