Which of the following do you think is not the form of Public Speaking（）
An interview
B. A presentation
C. A reserach process
D. A lecture
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Critical thinking involves all of the following related skills EXCEPT____（）
A. distinguishing fact from opinion
B. judging the credibility of statements
C. controlling nervousness and stage fright
D. assessing the soundness of evidence
Which of the following factors is NOT relevant to your success as a speaker（）
A. Your manner of speaking
B. Your circle of friends
C. Your personal credibility
D. Your knowledge of subject
According to Confucius,________ would be considered to be filial（）
A. to provide enough food to parents
B. to let parents travel around the world
C. to give parents a lot of money
D. to provide parents with enough food and show respect to them as well
QPSK、OQPSK、π/4-DQPSK中，旁瓣衰减由快到慢的顺序为（）
A. QPSK π/4-DQPSK OQPSK
B. OQPSK QPSK π/4-DQPSK
C. π/4-DQPSK QPSK OQPSK
D. OQPSK π/4-DQPSK QPSK
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