When you are giving the speech, what you should do in the introduction section（）
A. Set the tone
B. Creat interest
C. introduce the topic
D. Grab attention
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What are the introduction techniques in presentations which are mentioned in the video clip（）
A. Tell a personal story
B. Ask a question
C. Startling statements
D. Invite a clown to do the opening for you
What are the constructive feedback for the first presenter（）
A. face to the audience
B. Smile more
C. Don’t read notes
D. Slow down a bit
E. To connect with the audience by introducing a personal story
F. Speak louder
Which statement regarding the Python assignment is wrong（）
A. The same variable name can be given different type of values in different location
B. In Python, you do not need to explicitly declare the type of a variable. The type is set according its value
C. Python allows chain assignment and multiple assignment
D. Python assignment is case insensitive
Which statement about module is wrong（）
A complete Python file is a module, serving as an extension of Python’s functionality
B. After a module is imported by import, its functions can be used by using the format “module.function”
C. You can use variable to refer to function, e.g., bar=math.sqrt, and then use bar to calculate the squre root. For example, bar（9） returns 3.0
D. Python does not support import several modules at one time
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