Which of the following statement about controlling nervousness is incorrect（）
A. Establishing a right perception of yourself
B. Acquiring more speaking experiences
C. Making enough preparations
D. Staying up late before you give a speech
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In the past, people could communicate only with___（）
A. Paper mails
B. Wired telephone
C. Radio programs
D. TV programs
Which of the following are distance meeting tools（）
A. GoogleMeet
B. Zoom
C. TecentMeeting
D. Internet Explorer
What statistics can your smart bracelet or smart watch reveal（）
A. Room temperature
B. Deep sleep time
C. Light sleep time
D. Your heart rate
What should we do when we practice our speech（）
A. Recite silently
B. Simulate the real practice environment
C. Sit while rehearsing
D. Never record yourself or watch your video
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